Reproduction steps:
1. Open the attached project “Animator Bug”
2. Select “Assets/Anim Prefabs/Dice 1.fbx” in the Project window
3. Play the animation preview in the Inspector window
4. Select the “Dice 012” object in the Hierarchy window
5. Switch to the “Dice 1 (Read-Only)” animation in the Animation window
6. Play the animation

Expected result: The animations in steps 3 and 6 are the same
Actual result: The unmoving dice are located where the third dice falls in step 3 and where it starts falling in step 6

Reproducible with: 2020.3.39f1, 2021.3.10f1, 2022.1.16f1, 2022.2.0b7, 2023.1.0a10

Reproducible on: macOS 12.4 (Intel)

Note: The position of the unmoving cubes seems to be taken from the "Dice 012" instance that the Animator is attached to