Graphics.Blit 0 index texture will not be drawn when VRTextureUsage is set to TwoEyes

Graphics.Blit with destDepthSlice to Tex2DArray with VRTextureUsage.TwoEyes won't work correctly

How to reproduce:
1. Open attached project "case1258990.zip" and Scene "Report"
2. Enter Play Mode
2. Observe the 2 textures in Game View

Expected: Graphics.Blit texture will be drawn correctly with an index 0 texture
Actual: Graphics.Blit texture will not be drawn with an index 0 texture.

Reproducible with: 2019.4.2f1, 2020.1.0b14, 2020.2.0a16
Cannot test with: 2018.4.23f1 (errors when downgrading the project)