Hierarchy v2: scene nodes should not be filtered out when child nodes found via search

Steps to reproduce:

1. Add cubes to a scene/multiple scenes
2. make sure new hierarchy window is enabled
3. search cube in hierarchy window search field 

Actual results: scene node(s) is/are filtred out

Expected results: scene node(s) should not be filtered out

Reproducible with versions: 6000.6

Not reproducible with versions: 

Can’t test with versions: 

Tested on (OS): mac

Notes:

•