Hierarchy V2 SubScene node expand/collapse states fail to preserve after undo

Steps to reproduce:

1. Open a project with entities package installed
2. Create a subscene with children
3. Select the SubScene and in the Inspector modify anything (e.g. change Position value)
4. Click "Ctrl+Z" to undo
5. Observe subscene node

Actual results: expand/collapse state is reset

Expected results: The subscene node should preserve its expand/collapse state

Reproducible with versions: 6000.7

Not reproducible with versions: 

Can’t test with versions: 

Tested on (OS): mac

Notes:

• To follow up on previous review - [Internal link]