Reproduction steps:
1. Open the attached “BugRepro” project
2. Open the “Assets/Scenes/SampleScene.unity“ Scene
3. Enter the Play Mode
4. Select the “Avatar“ GameObject in the Hierarchy window
5. Observe the Editor window
Expected result: The Editor does not freeze
Actual result: Editor freezes
Reproducible with: 2021.3.46f1, 2022.3.52f1, 6000.0.27f1, 6000.1.0a4
Reproducible on: Windows 11
Not reproducible on: No other environment tested
Note: In some versions, Unity freezes for a few seconds when selecting the "Avatar" GameObject, while in others it becomes completely unresponsive