fix new assembly and selection of new assemblies
fix new assembly and selection of new assemblies

See:
https://www.kitware.com/BugCMB/view.php?id=9965
https://www.kitware.com/BugCMB/view.php?id=9967

Sprunth/RGG,Sprunth/RGG,Sprunth/RGG,Sprunth/RGG