How to reproduce:
1. Open the project “IN-111710_Timeline”
2. Enter Play Mode
3. Select the “Robot …” Game Object in the Hierarchy
4. Open the Timeline tab, Window → Sequencing → Timeline
5. Make sure the first Timeline is unmuted while the other two are muted
6. Press Play in the Timeline tab
7. Observe the Game View tab

Expected result: The character starts off the animation offset to the left side of the Game View tab
Actual result: The character starts the animation in the middle of the Game View tab, with no offset on the x-axis

Reproducible with: 2021.1.0a1, 2021.3.56f1, 2022.3.66f1, 6000.0.56f1, 6000.2.2f1, 6000.3.0a6

Reproducible on: Windows 11
Not reproducible on: No other environments tested

Note: In Edit mode, the offset works as expected