Group Selected Nodes does not function properly when child to a Viewport

[Bob1011941]

Godot version

v3.5.1.stable.official [6fed1ff]

System information

Windows 10, GLES3, Nvidia 3060 (31.0.15.2698)

Issue description

Group Selected Nodes does not function properly when child to a Viewport.

2023-02-06.19-38-15.mp4

Steps to reproduce

New project.
Add node Viewport.
Add node StaticBody.
Add node MeshInstance.
Ensure StaticBody is child of Viewport.
Ensure MeshInstance is child of StaticBody.
The Group Selected Nodes button will not function properly.

Minimal reproduction project

N/A

[kitbdev]

• related to Locking isnt working if the node is witihin the Viewport #30910

This also applies to the lock button as well.

But as this has the 3.x milestone, not a duplicate.