Reproduction steps:
1. Open the attached project "ReproProj"
2. Open the “/Assets/Dev Dunk Studio/Screen Space Fog/Samples/Scenes/Sample.unity” Scene
3. In Hierarchy, select Manager GameObject
4. In Inspector, disable “Replace Skybox“
5. Click on Scene view
6. Press “CTRL“ + “S” keys to save

Expected result: Change is saved, and a blue sky is present
Actual result: Skybox is reset to white, but “Replace Skybox” is disabled

Reproducible with: 2022.3.62f1, 6000.0.50f1, 6000.1.4f1, 6000.2.0a8 (8a36f491c000)
Not reproducible with: 6000.2.0b3
Fixed in: 6000.2.0a9 (2aeb7e9a02a2)

Testing environment: Windows 10 Enterprise 21H2
Not reproducible on: No other environment tested

Note:
- Sometimes the script settings do not show in the Inspector for the Manager GameObject