How to reproduce:
1. Open the “Vegetation Playground“ project
2. Click on “Bark” material in the Assets folder (Assets → Vegetation → Materials)
3. Observe its preview image in the Project window and in the Inspector window
Expected result: The preview image reflects the appearance of the material
Actual result: The preview image is white
Reproducible in: 2022.3.25f1, 2022.3.50f1, 6000.0.23f1
Not reproducible in: 2021.3.44f1, 2022.3.24f1
Reproducible on: Windows 10, Windows 11 (user’s)
Not reproducible on: no other environment tested
Notes: Reproducible on a clear project