LEDDevices - WLED enhancements and minor fixes (#1204)

* Yeelight minor updates

* Add Timeout to REST API

* LEDDevice - Correct storeState

* Add WaitTime function

* Always show HW-LEDCount for configuration

* WLED - New features ("live" support, storing state and identification)

* Yeelight - Refactoring

* Cololight - Refactoring

* Karate - getProperties Support

* Atmo - getProperties Support

* AtmoOrb - refactoring

* Nanoleaf - Refactoring, New "Shapes" considerations

* PhilipHue - Minor corrections

* Update Changelog

libsrc/leddevice/LedDevice.cpp

@@ -265,12 +265,13 @@ bool LedDevice::switchOn()
 	{
 		if ( _isEnabled &&_isDeviceInitialised )
 		{
-			storeState();
-
-			if ( powerOn() )
+			if ( storeState() )
 			{
-				_isOn = true;
-				rc = true;
+				if ( powerOn() )
+				{
+					_isOn = true;
+					rc = true;
+				}
 			}
 		}
 	}