materials are corrupt in BiRP in VR

[HawkenKing]

Describe the bug
When loading the BiRP version of the desert on headset, the materials are missing when entering VR.

To Reproduce
Steps to reproduce the behavior:

1. Make a new project using 2D Core template.
2. Import unity-webxr-export via add from git url.
3. Import samples via add from git url.
4. Import BiRP desert sample.
5. export scene for web using webxr2020 template.
6. visit project in VR headset browser
7. click VR

Expected behavior
materials visible as usual.

Unity info (please complete the following information):

• Editor version: 2022.3.50f1
• WebXR package version: 0.22.0
• WebXR Interactions version: 0.22.0
• Git or OpenUPM: Git
• Built-in render pipeline or URP: BiRP

[De-Panther]

Thanks. Can you upload reproduce version?
On what headsets/browsers have you tried it? (please fill the rest of the bugs template)

[HawkenKing]

Thanks. Can you upload reproduce version? On what headsets/browsers have you tried it? (please fill the rest of the bugs template)

Tested on Meta Quest, built in browser.

[tpearspatial]

Same issue on the XRI sample as well. Newest versions of webxr packages installed via OpenUPM. Tested on Safari Apple Vision Pro.

[De-Panther]

Same issue on the XRI sample as well. Newest versions of webxr packages installed via OpenUPM. Tested on Safari Apple Vision Pro.

Please, I need more data. I can't help with no data. The long list of details asked in the bugs template is there for a reason.