How to reproduce:
1. Open the attached “IN-98970.zip” Project
2. Build and Run on VisionOS
3. In the Player, press the “Expand View” Button
4. Observe the Cube shape GameObject in the Player

Expected result: The imported .glb Cube Prefab is rendered Red
Actual result: The imported .glb Cube Prefab Cube is rendered Black

Reproducible with: 2.2.4 (6000.0.49f1, 6000.1.4f1)
Not reproducible with: 1.3.13 (2022.3.62f1), 2.0.4, 2.1.2 (6000.0.49f1)
Couldn’t test with: 2.2.4 (6000.2.0b3) - IL2CPP Errors during Build Time

Reproducible on:
Apple Vision Pro on VisionOS 2.5

Testing environment: macOS 15.4.1 (M3 Pro)

Notes:
- Also reported on Unity Discussions: [https://discussions.unity.com/t/gltfast-polyspatial-vision-pro-materials-are-black-once-again/1627660]
- Also reported here: https://github.com/atteneder/glTFast/issues/762
- Also talked about here: [https://github.com/atteneder/glTFast/issues/666]