Hierarchy V2 GameObjects start the renaming process and get renamed when creating UI Toolkit or UI (Canvas) GameObjects

Unity: Hierarchy V2

This issue has been closed as a duplicate of:

6.6.X

6000.6.0a7 onwards

Steps to reproduce:

Create a new Unity project using the Universal 3D template
Make sure Hierarchy V2 is enabled
Navigate through the GameObjects using the arrow keys in the Hierarchy
Right-click in an empty spot in the Hierarchy and create a Panel Renderer (UI Toolkit > Panel Renderer)
Observe the Hierarchy window

Actual results: Directional Light has been renamed to "Panel Renderer"

Expected results: Panel Renderer is created and no other GameObjects are modified

Reproducible with versions: 6000.6.0a7

Not reproducible with versions: 6000.0.77f1, 6000.3.17f1, 6000.4.11f1, 6000.5.0f1, 6000.6.0a6

Tested on (OS): MacOS Silicon Tahoe 26.3, Ubuntu 24.04

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