- Renamed DesiredBoundSize to DesiredBoundRadius - more clear and it implies sphere
- MergeSetting is now exposed if you decide not to simplify
- Shrink after all done so that we don't use that reserved mass memory
[CL 2530639 by Lina Halper in Main branch]
- Do not display if simplygon isn't found
- Do not allow it to use CreateProxyMesh if simplygon isn't found
https://jira.ol.epicgames.net/browse/UE-8454
[CL 2492807 by Lina Halper in Main branch]