Reproduction steps:
1. Open the attached "IN-127959_Small.zip" project
2. Open the “Assets/Scenes/Map.unity” Scene
3. Enter Play mode
4. Observe the Game view, notice no light leaking through shadow casters
5. Build and run the project in Player
6. Observe the Player
Actual result: The light is leaking through the shadow casters
Expected result: The lighting behavior remains the same as in Game view
Reproducible with: 6000.0.11f1, 6000.0.67f1, 6000.3.8f1, 6000.4.0b8, 6000.5.0a6
Could not test with: 6000.0.10f1 (Rigidbody2D CS1061 errors)
Reproduced on: Windows 11
Not reproducible on: No other environments tested