!B (Sandbox) (CE-21378) Introduced common code path for prefabs and groups AddMember, fixed grammar inconstistencies, moved hierarchy checks function to groups, added a function to filter out members that cannot be added to a group. Changed instance modify code to make sure direct children of a group have the parent attribute removed after serialization. Fixed a bug where members of a group were missing deletion because of iterator invalidation in the m_children vector #savemebatman
Copied from Perforce
Change:
2013555