Fix pasuse_pin

MarlinKimbra/Marlin_main.cpp

@@ -6223,6 +6223,13 @@ void manage_inactivity(bool ignore_stepper_queue/*=false*/) //default argument s
     }
   #endif
 
+  #if defined(PAUSE_PIN) && PAUSE_PIN > -1
+    if (READ(PAUSE_PIN) == 0 && !paused)
+    {
+      pause();
+    }
+  #endif //defined(PAUSE_PIN) && PAUSE_PIN > -1
+
   #if defined(CONTROLLERFAN_PIN) && CONTROLLERFAN_PIN > -1
     controllerFan(); //Check if fan should be turned on to cool stepper drivers down
   #endif