Only reset LED state when there's a state change.

Receiver/src/LED.cpp

@@ -27,6 +27,8 @@ class LED{
 	}
 
 	void reset(bool on){
+		if (on == _on)
+			return;
 		float oldMultiplier = getMultiplier();
 		_on = on;
 		_fadeStart = millis();