How to reproduce:
1. Open the “repo_project.zip“ project
2. Open the “Main.Solver“ scene
3. Select any GameObject, click on the “Game“ tab, and “Project“ tab

Expected result: The editor works normally without GameView.Repaint window taking several minutes to load
Actual result: GameView.Repaint window takes several minutes to load

Reproducible with: 2022.2.16f1
Not reproducible with: 2022.2.15f1, 2022.2.19f1, 2023.1.0b16, 2023.2.0a14
Could not test with: 2020.3.48f1, 2021.3.25f1 (incompatible packages)
Fixed in: 2022.2.17f1

Reproducible on: Windows 10, Windows 11

Note: The issue is inconsistent and you may need to repeat the third step several times and click on “Window“ or “Window” → “UI Toolkit“ → ”UI Builder” to reproduce the issue.