Reproduction steps:
1. Open the user’s attached profile
2. In Scene/Game View, observe the background
3. In Hierarchy Window, click “Main Camera” GameObject
4. In Inspector Window, observe the Camera’s Component Background color
5. Click File > Build and Run
6. Observe the background

Expected result: Blue background in Scene/Game View
Actual result: Green background in Scene/Game View

Reproducible with: 2020.3.40f1, 2021.3.12f1, 2022.1.20f1, 2022.2.0a10, 2023.1.0a15
Not reproducible with: 2022.2.0a11, 2022.2.0b12, 2023.1.0a14

Reproducible on: Ubuntu 20.04.5
Not reproducible on: Windows 11 Pro 21H2

Notes:

• Reimport on every version
• If it doesn’t reproduce, restart Unity Editor