Update Light properties in the inspector when dragging their gizmos
Created by: Calinou
This is similar to https://github.com/godotengine/godot/commit/39e8aca1b77c6cba8f7fa22cc277441e5e86cd16, but for OmniLight and SpotLight.
Created by: Calinou
This is similar to https://github.com/godotengine/godot/commit/39e8aca1b77c6cba8f7fa22cc277441e5e86cd16, but for OmniLight and SpotLight.