Merge pull request #5094 from esenapaj/Fix-for-the-PR-#5088

Fix for the PR #5088 (Handle M108 in M1 also with ULTIPANEL)

Marlin/Marlin.h

 extern bool axis_homed[XYZ]; // axis[n].is_homed
 extern volatile bool wait_for_heatup;
 
-#if ENABLED(EMERGENCY_PARSER) && DISABLED(ULTIPANEL)
+#if ENABLED(ULTIPANEL) || ENABLED(EMERGENCY_PARSER)
   extern volatile bool wait_for_user;
 #endif
 

Marlin/Marlin_main.cpp

 volatile bool wait_for_heatup = true;
 
 // For M0/M1, this flag may be cleared (by M108) to exit the wait-for-user loop
-#if ENABLED(EMERGENCY_PARSER) && DISABLED(ULTIPANEL)
+#if ENABLED(EMERGENCY_PARSER) || ENABLED(ULTIPANEL)
   volatile bool wait_for_user = false;
 #endif
 
   report_current_position();
 }
 
-#if ENABLED(ULTIPANEL) || ENABLED(EMERGENCY_PARSER)
+#if ENABLED(EMERGENCY_PARSER) || ENABLED(ULTIPANEL)
 
   /**
    * M0: Unconditional stop - Wait for user button press on LCD
 
     #endif
 
-ExitM1:
+#if ENABLED(ULTIPANEL)
+  ExitM1:
+#endif
 
     #if ENABLED(EMERGENCY_PARSER)
       wait_for_user = false;
     KEEPALIVE_STATE(IN_HANDLER);
   }
 
-#endif // ULTIPANEL || EMERGENCY_PARSER
+#endif // EMERGENCY_PARSER || ULTIPANEL
 
 /**
  * M17: Enable power on all stepper motors
           pin_state[pin - first_pin] = digitalRead(pin);
       }
 
-      #if ENABLED(EMERGENCY_PARSER) && DISABLED(ULTIPANEL)
+      #if ENABLED(EMERGENCY_PARSER) || ENABLED(ULTIPANEL)
         wait_for_user = true;
       #endif
 
           }
         }
 
-        #if ENABLED(EMERGENCY_PARSER) && DISABLED(ULTIPANEL)
+        #if ENABLED(EMERGENCY_PARSER) || ENABLED(ULTIPANEL)
           if (!wait_for_user) break;
         #endif