- HierarchyInspectionView: animate popups on hover to make the moves less abrupt.
- HierarchyInspectionView: animate popups on hover to make the moves less abrupt.

dayo7116/open3mod,acgessler/open3mod,acgessler/open3mod,zhukaixy/open3mod,dayo7116/open3mod,zhukaixy/open3mod