How to reproduce:
1. Open the user's attached project
2. Enter Play Mode
3. Click the "Create Room" button in the Game view window
4. Click the "Start Game" button
5. Select a light in the scene view, move it slightly
Expected results: No surfaces turn black for a single frame
Actual results: Sections of upward-facing surfaces turn black for a single frame
Reproducible with: 6000.0.11f1
Could not test with: 2021.3.40f1, 2022.3.38f1 (compilation errors in the Console window)
Reproducible on: Windows 10 22H2
Not reproducible on: No other environment tested