Steps to reproduce:
1. Open the attached user's project "kariboo2.zip"
2. Switch to Android
3. Open "Assets/Scenes/Main.unity" Scene and build to a Quest 3/3S device
4. Observe Passthrough not working

Expected result: background is transparent
Actual result: background is black

Reproducible with: Meta OpenXR 2.2.0, 2.3.0-pre.2 (6000.0.59f1, 6000.2.7f1, 6000.3.0b4, 6000.4.0a1)
Not reproducible with: Meta OpenXR 2.2.0-pre.1 (6000.0.59f1, 6000.2.7f1, 6000.3.0b5, 6000.4.0a1)
Could not test with Meta OpenXR 2.1.1 and below due to the Layer Type "Meta OpenXR - Passthrough" in the Composition Layer component not being available

Reproducible with these devices:
VLNQA00644 - Oculus Quest 3S (Quest 3S), CPU: Google Tensor G2, GPU: Adreno 740, OS: 14
VLNQA00609 - Oculus Quest 3 (Quest 3), CPU: Snapdragon XR2 Gen 2 (SM8550), GPU: Adreno 740, OS: 12

Environment tested: Windows 11 24H2

Notes:
-Workaround is to downgrade to 2.2.0-pre.1 or lower
-Issue is not reproducible with a new project once it has been configured
-Provided user project is configured following the documentation steps: https://docs.unity3d.com/Packages/com.unity.xr.meta-openxr@2.2/manual/get-started.html