Properties for Service objects

[TrainWrack]

Once property system is merged, we should look into adding all the properties for service obejcts like sinks, sounds, camera, flyby cameras etc into using the property window.

So when an object is selected, it will show its properties as opposed to opening its own dialogue box every single time to edit it.

[Lwmte]

Not sure how to implement this in the near term perspective.
Property system and its tool window is not connected to hardcoded service object properties, so we either need a hack to implement it, or to offload all service object properties to an xml file and implement a backend workflow for it, which sounds like a huge effort.