Add BABYSTEP_ZPROBE_OFFSET as an optional feature

Marlin/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/Marlin_main.cpp

 
     if (!isnan(last_zoffset)) {
 
-      #if ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(BABYSTEPPING)
+      #if ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(BABYSTEP_ZPROBE_OFFSET)
         const float diff = zprobe_zoffset - last_zoffset;
       #endif
 
         #endif
       #endif
 
-      #if ENABLED(BABYSTEPPING)
+      #if ENABLED(BABYSTEP_ZPROBE_OFFSET)
         if (!no_babystep && planner.abl_enabled)
           thermalManager.babystep_axis(Z_AXIS, -lround(diff * planner.axis_steps_per_mm[Z_AXIS]));
       #else

Marlin/SanityCheck.h

 #if ENABLED(BABYSTEPPING)
   #if DISABLED(ULTRA_LCD)
     #error "BABYSTEPPING requires an LCD controller."
-  #endif
-  #if ENABLED(SCARA)
+  #elif ENABLED(SCARA)
     #error "BABYSTEPPING is not implemented for SCARA yet."
-  #endif
-  #if ENABLED(DELTA) && ENABLED(BABYSTEP_XY)
+  #elif ENABLED(DELTA) && ENABLED(BABYSTEP_XY)
     #error "BABYSTEPPING only implemented for Z axis on deltabots."
+  #elif ENABLED(BABYSTEP_ZPROBE_OFFSET) && !HAS_BED_PROBE
+    #error "BABYSTEP_ZPROBE_OFFSET requires a probe."
   #endif
 #endif
 

Marlin/example_configurations/Cartesio/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/Felix/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/Hephestos/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/Hephestos_2/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/K8200/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/K8400/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/RigidBot/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/SCARA/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/TAZ4/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/TinyBoy2/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/WITBOX/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/delta/flsun_kossel_mini/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/delta/generic/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/makibox/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/example_configurations/wt150/Configuration_adv.h

   #define BABYSTEP_XY              // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false  // Change if Z babysteps should go the other way
   #define BABYSTEP_MULTIPLICATOR 1 // Babysteps are very small. Increase for faster motion.
+  //#define BABYSTEP_ZPROBE_OFFSET // Enable to combine M851 and Babystepping
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.

Marlin/ultralcd.cpp

       #if ENABLED(BABYSTEP_XY)
         MENU_ITEM(submenu, MSG_BABYSTEP_X, lcd_babystep_x);
         MENU_ITEM(submenu, MSG_BABYSTEP_Y, lcd_babystep_y);
-      #endif //BABYSTEP_XY
-      #if !HAS_BED_PROBE
+      #endif
+      #if DISABLED(BABYSTEP_ZPROBE_OFFSET)
         MENU_ITEM(submenu, MSG_BABYSTEP_Z, lcd_babystep_z);
       #endif
     #endif
   void lcd_control_motion_menu() {
     START_MENU();
     MENU_BACK(MSG_CONTROL);
-    #if HAS_BED_PROBE
-      #if ENABLED(BABYSTEPPING)
-        MENU_ITEM(submenu, MSG_ZPROBE_ZOFFSET, lcd_babystep_zoffset);
-      #else
-        MENU_ITEM_EDIT_CALLBACK(float32, MSG_ZPROBE_ZOFFSET, &zprobe_zoffset, Z_PROBE_OFFSET_RANGE_MIN, Z_PROBE_OFFSET_RANGE_MAX, refresh_zprobe_zoffset);
-      #endif
+    #if ENABLED(BABYSTEP_ZPROBE_OFFSET)
+      MENU_ITEM(submenu, MSG_ZPROBE_ZOFFSET, lcd_babystep_zoffset);
+    #elif HAS_BED_PROBE
+      MENU_ITEM_EDIT_CALLBACK(float32, MSG_ZPROBE_ZOFFSET, &zprobe_zoffset, Z_PROBE_OFFSET_RANGE_MIN, Z_PROBE_OFFSET_RANGE_MAX, refresh_zprobe_zoffset);
     #endif
     // Manual bed leveling, Bed Z:
     #if ENABLED(MESH_BED_LEVELING) && ENABLED(LCD_BED_LEVELING)