Cannot re-add a scene to the “Scenes in Baking Set” list in the Lighting window when adding a scene and then pressing the undo shortcut

Steps to reproduce:

1. Create a new Unity project using the Universal 3D template
2. Open the Lighting window (Window > Rendering > Lighting)
3. Open the Adaptive Probe Volumes tab in the Lighting window
4. Click the "Open" button in the Adaptive Probe Volumes tab
5. Change Light Probe System to "Adaptive Probe Volumes"
6. Change Baking Mode to "Baking Set"
7. Remove the SampleScene in the "Scenes in Baking Set" list
8. Add the SampleScene to the "Scenes in Baking Set" list
9. Press the Undo shortcut (command+z)
10. Repeat step 8
11. Observe the Lighting window

Actual results: Cannot re-add the SampleScene

Expected results: The SampleScene is re-added

Reproducible with versions: 6000.0.80f1, 6000.3.20f1, 6000.5.5f1, 6000.6.0b5, 6000.7.0a3

Can’t test with versions: 6000.0.0f1 (due to [Internal link])

Tested on (OS): MacOS Silicon Tahoe 26.5.1