Errors are thrown when modifying Audio Track properties after manually replaying Timeline in Play Mode

Reproduction steps:
1. Create a new project
2. Window > Sequencing > Timeline
3. Select any GameObject and click “Create” button in the Timeline window
4. Add Audio and Activation tracks by pressing “+” button
5. Press “Show curves view” button
6. Select one of the track properties, right-click in the Timeline and select “Add Key” option
7. Enter Play mode
8. Wait for the Timeline playhead to finish playing and press “Play the Timeline” button
9. Change one of the Audio track properties after playhead finishes playing and observe the Console

Actual result: Multiple errors are thrown
Expected result: No errors and warnings are thrown

Reproducible with: 2023.3.0a2, 6000.0.75f1, 6000.3.15f1, 6000.4.7f1, 6000.5.0b8, 6000.6.0a5

Reproduced on: macOS Tahoe 26.4 (M4)

Note:
Errors:

GUI Error: Invalid GUILayout state in  view. Verify that all layout Begin/End calls match
UnityEngine.GUIUtility:ProcessEvent (UnityEngine.EntityId,intptr,bool&) (at /Users/bokken/build/output/unity/unity/Modules/IMGUI/GUIUtility.cs:224) 

ArgumentException: The Playable is invalid. It has either been Disposed or was never created.

GUI Error: Invalid GUILayout state in TimelineWindow view. Verify that all layout Begin/End calls match
UnityEngine.GUIUtility:ProcessEvent (UnityEngine.EntityId,intptr,bool&) (at /Users/bokken/build/output/unity/unity/Modules/IMGUI/GUIUtility.cs:224)