How to reproduce:
1. Open the project “IN_30113”
2. Select “Decal Projector” Prefab in the Project window
3. In the Inspector change values of “Projection Depth” and “Size”
4. Save the project and close the editor
5. Reopen the project and repeat step 2
6. Observe the changed values

Expected result: changes are saved
Actual result: changes are not saved

Reproducible with: 2021.2.0a10, 2021.3.19f1, 2022.2.7f1, 2023.1.0b5, 2023.2.0a3
Not reproducible with: 2020.3.45f1, 2021.2.0a9

Reproducible on: Windows 10 Pro