Hierarchy v2: node with hide flag turned on should not be searchable in playmode

Steps to reproduce:

1. set hide flags on node in runtime by: 
2. void Start() { gameObject.hideFlags = HideFlags.HideInHierarchy; }
3. search hidden node

Expected: hidden node should not be searchable and editable

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Reproducible with versions: 6.3 and up

Not reproducible with versions: 

Can’t test with versions: 

Tested on (OS): mac/windows

Notes:

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