HDRi backdrops show default material on Meta Quest

1. [Link Removed] (VR Template w. the HDRI plugin enabled and default HDRi backdrop actor added to level)
2. Launch on Quest 2

Results:

HDRi backdrop is using default material

Expected:

HDRi backdrop can be seen as intended w. the correct texture

Note: I was not able to reproduce this in 5.1. If Mobile Float Precision Mode is set to "Use Full-precision for every float" or "Use full-precison 

UDN for reference: [Link Removed]

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