Reproduction steps:
1. Open the attached project “CameraNoImage“
2. Enter The Play Mode
3. Select “UI“ GameObject in the Hierarchy window
4. Click on the “Capture“ checkbox of “Capture Camera Render Texture“ in the Inspector window
Expected result: Game view is captured and is displayed on the “RawImage“ GameObject
Actual result: Nothing is displayed
Reproducible with: 2021.2.0a16, 2021.3.22f1, 2022.2.13f1, 2023.1.0b10, 2023.2.0a7
Not reproducible with: 2020.3.46f1, 2021.2.0a15
Reproducible on: Windows10