* Mark MeshComponents and ModelRenderer GameObjects that have no behavour as static and make them render under Static SceneObject layers
https://files.facepunch.com/sampavlovic/1b2211b1/wpaNd6VF6L.png
* Remove IsHierarchyStatic, just use and implement GameObject.IsStatic
* Hide tick icon since we drive the enabled state of this widget
* Static GameObjects get static physics bodies and skip transform interpolation
* Revert Static menu option for GameObject, redundant since we have a button