🐛 Fix AIR_ASSIST (#24162)

Marlin/src/feature/spindle_laser.cpp

@@ -159,8 +159,8 @@ void SpindleLaser::apply_power(const uint8_t opwr) {
 
 #if ENABLED(AIR_ASSIST)
   // Enable / disable air assist
-  void SpindleLaser::air_assist_enable()  { WRITE(AIR_ASSIST_PIN,  AIR_ASSIST_PIN); } // Turn ON
-  void SpindleLaser::air_assist_disable() { WRITE(AIR_ASSIST_PIN, !AIR_ASSIST_PIN); } // Turn OFF
+  void SpindleLaser::air_assist_enable()  { WRITE(AIR_ASSIST_PIN,  AIR_ASSIST_ACTIVE); } // Turn ON
+  void SpindleLaser::air_assist_disable() { WRITE(AIR_ASSIST_PIN, !AIR_ASSIST_ACTIVE); } // Turn OFF
   void SpindleLaser::air_assist_toggle()  { TOGGLE(AIR_ASSIST_PIN); } // Toggle state
 #endif