Invoke SetButtonStates on UI thread
Invoke SetButtonStates on UI thread

 -  Ensure RootedObjectEventHandler events are pushed to UI thread  - Fixes #106067186

unlimitedbacon/MatterControl,jlewin/MatterControl,jlewin/MatterControl,rytz/MatterControl,CodeMangler/MatterControl,jlewin/MatterControl,jlewin/MatterControl,MatterHackers/MatterControl,CodeMangler/MatterControl,CodeMangler/MatterControl,larsbrubaker/MatterControl,unlimitedbacon/MatterControl,rytz/MatterControl,larsbrubaker/MatterControl,MatterHackers/MatterControl,larsbrubaker/MatterControl,mmoening/MatterControl,unlimitedbacon/MatterControl,unlimitedbacon/MatterControl,mmoening/MatterControl,tellingmachine/MatterControl,larsbrubaker/MatterControl,tellingmachine/MatterControl,MatterHackers/MatterControl,mmoening/MatterControl,rytz/MatterControl