Laser Cutter Air Assist (#21753)

Marlin/src/lcd/menu/menu_spindle_laser.cpp

@@ -56,6 +56,11 @@
       EDIT_ITEM(bool, MSG_CUTTER(EVAC_TOGGLE), &evac_state, cutter.air_evac_toggle);
     #endif
 
+    #if ENABLED(AIR_ASSIST)
+      bool air_assist_state = cutter.air_assist_state();
+      EDIT_ITEM(bool, MSG_CUTTER(ASSIST_TOGGLE), &air_assist_state, cutter.air_assist_toggle);
+    #endif
+
     #if ENABLED(SPINDLE_CHANGE_DIR)
       if (!is_enabled) {
         editable.state = is_rev;