Reproduction steps:
1. Open the attached “BugRepro” project
2. Open the “Assets/Scenes/Sandbox.unity“ Scene
3. Enter the Play Mode
4. Click the "animals" button in the bottom-right corner in the Game view
5. Click anywhere in the Game view to spawn animals
6. Observe the shadows in the Game view

Expected result: Shadows should render correctly on all spawned animals without flickering or covering the entire scene
Actual result: Shadows flicker in and out intermittently or cover the whole scene

Reproducible with: 6000.0.59f1, 6000.2.6f1, 6000.3.0b3, 6000.4.0a1

Reproducible on: Windows 11
Not reproducible on: No other environment tested