How to reproduce:
1. Open the attached “URPCamera_Overlap” project
2. Open Scene “TestScene”
3. Enter Play mode
4. Observe the Game view

Expected result: Cameras created with a Script do not cover the UI
Actual result: Cameras created with a Script cover the UI

Reproducible with: 6000.0.62f1, 6000.2.0a8, 6000.2.11f1, 6000.3.0b9, 6000.4.0a4
Not reproducible with: 2022.1.0a1, 6000.2.0a7

Reproducible on: Windows 11
Not reproducible on: No other environments tested

Notes:
- Selecting the dynamically created Cameras in the Hierarchy makes the UI visible again
- Reproduces only with dynamically created URP Cameras when they are set up to make a split-screen