When Blitting RT that was set in camera.targetTexture to Backbuffer in the Editor the GameView RT is lost

Reproduction steps:
1. Open attached Project
2. Press Play

Expected Result: The Scene Renders
Actual Result: The Scene fails to Render

Reproducible with: 2020.3.14f1, 2021.1.16f1, 2021.2.0b4, 2022.1.0a3
Could not test with: 2019.4 (Compiler errors)