Canvas is drawn twice to the same render target when rendering into camera with render texture output

How to reproduce:
1. Download the attached project
2. Open the "SampleScene" scene
3. Enter "Play" mode

Expected outcome: Canvas is not drawn twice
Actual outcome: Canvas is drawn twice

Reproducible with: 2020.3.44f1, 2021.3.17f1, 2022.1.24f1, 2022.2.3f1, 2023.1.0a26