Device visualizer - Added LedClicked event

Device properties - Added the ability to select LEDs by clicking on them in the preview

src/Artemis.Core/Models/Surface/ArtemisDevice.cs

@@ -337,6 +337,7 @@ namespace Artemis.Core
 
             Layout = layout;
             Layout.ApplyDevice(this);
+            CalculateRenderProperties();
             OnDeviceUpdated();
         }