Add missing ExtUI user confirmation (#14992)

Marlin/src/feature/pause.cpp

       host_action_prompt_button(PSTR("Continue"));
       host_action_prompt_show();
     #endif
+    #if ENABLED(EXTENSIBLE_UI)
+      ExtUI::onStatusChanged(PSTR("Load Filament"));
+    #endif
     while (wait_for_user) {
       #if HAS_BUZZER
         filament_change_beep(max_beep_count);
     #if ENABLED(HOST_PROMPT_SUPPORT)
       host_prompt_do(PROMPT_USER_CONTINUE, PSTR("Continuous Purge Running..."), PSTR("Continue"));
     #endif
+    #if ENABLED(EXTENSIBLE_UI)
+      ExtUI::onStatusChanged(PSTR("Continuous Purge Running..."));
+    #endif
     for (float purge_count = purge_length; purge_count > 0 && wait_for_user; --purge_count)
       do_pause_e_move(1, ADVANCED_PAUSE_PURGE_FEEDRATE);
     wait_for_user = false;
   #if ENABLED(HOST_PROMPT_SUPPORT)
     host_prompt_do(PROMPT_USER_CONTINUE, PSTR("Nozzle Parked"), PSTR("Continue"));
   #endif
+  #if ENABLED(EXTENSIBLE_UI)
+    ExtUI::onStatusChanged(PSTR("Nozzle Parked"));
+  #endif
   while (wait_for_user) {
     #if HAS_BUZZER
       filament_change_beep(max_beep_count);
         host_prompt_do(PROMPT_USER_CONTINUE, PSTR("HeaterTimeout"), PSTR("Reheat"));
       #endif
 
+      #if ENABLED(EXTENSIBLE_UI)
+        ExtUI::onStatusChanged(PSTR("HeaterTimeout"));
+      #endif
+
       // Wait for LCD click or M108
       while (wait_for_user) idle(true);
 

Marlin/src/feature/prusa_MMU2/mmu2.cpp

   #include "../../feature/host_actions.h"
 #endif
 
+#if ENABLED(EXTENSIBLE_UI)
+  #include "../../lcd/extensible_ui/ui_api.h"
+#endif
+
 #define DEBUG_OUT ENABLED(MMU2_DEBUG)
 #include "../../core/debug_out.h"
 
       #if ENABLED(HOST_PROMPT_SUPPORT)
         host_prompt_do(PROMPT_USER_CONTINUE, PSTR("MMU2 Eject Recover"), PSTR("Continue"));
       #endif
+      #if ENABLED(EXTENSIBLE_UI)
+        ExtUI::onStatusChanged(PSTR("MMU2 Eject Recover"));
+      #endif
       while (wait_for_user) idle();
       BUZZ(200, 404);
       BUZZ(200, 404);

Marlin/src/gcode/config/M43.cpp

   #include "../../feature/host_actions.h"
 #endif
 
+#if ENABLED(EXTENSIBLE_UI)
+  #include "../../lcd/extensible_ui/ui_api.h"
+#endif
+
 #ifndef GET_PIN_MAP_PIN_M43
   #define GET_PIN_MAP_PIN_M43(Q) GET_PIN_MAP_PIN(Q)
 #endif
       #if ENABLED(HOST_PROMPT_SUPPORT)
         host_prompt_do(PROMPT_USER_CONTINUE, PSTR("M43 Wait Called"), PSTR("Continue"));
       #endif
+      #if ENABLED(EXTENSIBLE_UI)
+        ExtUI::onStatusChanged(PSTR("M43 Wait Called"));
+      #endif
     #endif
 
     for (;;) {

Marlin/src/gcode/lcd/M0_M1.cpp

   #if ENABLED(HOST_PROMPT_SUPPORT)
     host_prompt_do(PROMPT_USER_CONTINUE, PSTR("M0/1 Break Called"), PSTR("Continue"));
   #endif
+  #if ENABLED(EXTENSIBLE_UI)
+    ExtUI::onStatusChanged(PSTR("M0/1 Break Called"));
+  #endif
 
   if (ms > 0) {
     ms += millis();  // wait until this time for a click

Marlin/src/lcd/menu/menu_delta_calibrate.cpp

   #include "../../feature/bedlevel/bedlevel.h"
 #endif
 
+#if ENABLED(EXTENSIBLE_UI)
+  #include "../../lcd/extensible_ui/ui_api.h"
+#endif
+
 void _man_probe_pt(const float &rx, const float &ry) {
   do_blocking_move_to(rx, ry, Z_CLEARANCE_BETWEEN_PROBES);
   ui.synchronize();
     #if ENABLED(HOST_PROMPT_SUPPORT)
       host_prompt_do(PROMPT_USER_CONTINUE, PSTR("Delta Calibration in progress"), PSTR("Continue"));
     #endif
+    #if ENABLED(EXTENSIBLE_UI)
+      ExtUI::onStatusChanged(PSTR("Delta Calibration in progress"));
+    #endif
     while (wait_for_user) idle();
     ui.goto_previous_screen_no_defer();
     return current_position[Z_AXIS];

Marlin/src/module/probe.cpp

   #include "stepper_indirection.h"
 #endif
 
+#if ENABLED(EXTENSIBLE_UI)
+  #include "../lcd/extensible_ui/ui_api.h"
+#endif
+
 #define DEBUG_OUT ENABLED(DEBUG_LEVELING_FEATURE)
 #include "../core/debug_out.h"
 
       #if ENABLED(HOST_PROMPT_SUPPORT)
         host_prompt_do(PROMPT_USER_CONTINUE, PSTR("Stow Probe"), PSTR("Continue"));
       #endif
+      #if ENABLED(EXTENSIBLE_UI)
+        ExtUI::onStatusChanged(PSTR("Stow Probe"));
+      #endif
       while (wait_for_user) idle();
       ui.reset_status();