Eye Index doesn't give the good value.

[xjorma]

Describe the bug
The Eye Index node return the same value for both eye

To Reproduce
place a Eye Index node in your shader, the result is the same for both eye :(

Expected behavior
The result should be different 0 for left 1 for right.
This feature is needed for example to play stereo video on a 3d mesh

** Exemple**
https://xjorma.itch.io/barracuda
Here the video is flat it's supposed to be 3d. It works well in native.
Could provide the code if needed.

**Unity info

• Unity 2022.3.31
• WebXR export 0.22.0
• WebXR Interactions version: na
• URP:

**Headset

• Device: Meta Quest 3
• OS: Meta Quest build 64
• Browser: Meta Quest Browser 33.3