ArgumentNullException is thrown twice when maximizing then un-maximizing an Editor Window

Steps to reproduce:
1. Open the attached “My Project(4).zip”
2. Open the Game View
3. Click Shift+Space to Maximize the Game View
4. Click Shift+Space to Minimze the Game View
5. Observe the Console Window

Expected result: No errors are thrown
Actual result: “ArgumentNullException” is thrown

Reproducible in: 6000.0.39f1, 6000.0.43f1, 6000.1.0b11, 6000.2.0a7
Not reproducible in: 2021.3.50f1, 2022.3.60f1, 6000.0.38f1

Reproducible on: Windows 10, Windows 11
Not reproducible on: No other environment tested

Note: Not reproducible on an empty project