Reproduction steps:
1. Open the attached “BugRepro” project
2. Open the “Assets/Scenes/SampleScene.unity“ Scene
3. Enter the Play Mode
4. Observe the Game view
Expected result: The "Armature (Clone)" GameObject plays the same animation as the original "Armature" GameObject
Actual result: The "Armature (Clone)" GameObject does not play any animation
Reproducible with: 6000.0.5f1
Couldn't test with: 2021.3.39f1, 2022.3.30f1 (Could not resolve compilation errors)
Reproducible on: Windows 11
Not reproducible on: No other environment tested