🔧 Fix E.S.T. sanity-check errors (#22224)

Marlin/src/inc/SanityCheck.h

@@ -1249,23 +1249,28 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
 #endif
 
 /**
- * (Electro)magnetic Switching Toolhead requirements
+ * Magnetic / Electromagnetic Switching Toolhead requirements
  */
 #if EITHER(MAGNETIC_SWITCHING_TOOLHEAD, ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
   #ifndef SWITCHING_TOOLHEAD_Y_POS
-    #error "(ELECTRO)MAGNETIC_SWITCHING_TOOLHEAD requires SWITCHING_TOOLHEAD_Y_POS"
+    #error "(ELECTRO)?MAGNETIC_SWITCHING_TOOLHEAD requires SWITCHING_TOOLHEAD_Y_POS"
   #elif !defined(SWITCHING_TOOLHEAD_X_POS)
-    #error "(ELECTRO)MAGNETIC_SWITCHING_TOOLHEAD requires SWITCHING_TOOLHEAD_X_POS"
-  #elif !defined(SWITCHING_TOOLHEAD_Z_HOP)
-    #error "(ELECTRO)MAGNETIC_SWITCHING_TOOLHEAD requires SWITCHING_TOOLHEAD_Z_HOP."
+    #error "(ELECTRO)?MAGNETIC_SWITCHING_TOOLHEAD requires SWITCHING_TOOLHEAD_X_POS"
   #elif !defined(SWITCHING_TOOLHEAD_Y_CLEAR)
-    #error "(ELECTRO)MAGNETIC_SWITCHING_TOOLHEAD requires SWITCHING_TOOLHEAD_Y_CLEAR."
-  #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
-    #if ENABLED(EXT_SOLENOID)
-      #error "(ELECTRO)MAGNETIC_SWITCHING_TOOLHEAD and EXT_SOLENOID are incompatible. (Pins are used twice.)"
-    #elif !PIN_EXISTS(SOL0)
-      #error "(ELECTRO)MAGNETIC_SWITCHING_TOOLHEAD requires SOL0_PIN."
-    #endif
+    #error "(ELECTRO)?MAGNETIC_SWITCHING_TOOLHEAD requires SWITCHING_TOOLHEAD_Y_CLEAR."
+  #endif
+#endif
+
+/**
+ * Electromagnetic Switching Toolhead requirements
+ */
+#if ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
+  #if ENABLED(EXT_SOLENOID)
+    #error "ELECTROMAGNETIC_SWITCHING_TOOLHEAD and EXT_SOLENOID are incompatible. (Pins are used twice.)"
+  #elif !PIN_EXISTS(SOL0)
+    #error "ELECTROMAGNETIC_SWITCHING_TOOLHEAD requires SOL0_PIN."
+  #elif !defined(SWITCHING_TOOLHEAD_Z_HOP)
+    #error "ELECTROMAGNETIC_SWITCHING_TOOLHEAD requires SWITCHING_TOOLHEAD_Z_HOP."
   #endif
 #endif