Reproduction steps:
1. Open the user’s attached project
2. Open the “Assets/Script/Editor/EditorUtils.cs” script
3. Change line 10 to “[MenuItem("Assets/Create/Rendering/Custom Editor")]”
4. Save the script file and go back to Unity
5. Right-click anywhere in Assets > Create
6. Observe that at the bottom the previous MenuItem still exists, but it should not
7. Click C# Script > Custom Editor

Expected result: The option to click C# Script > Custom Editor does not exist
Actual result: Unity Editor crashes

Reproducible with: 2021.2.0a1, 2021.2.19f1, 2021.3.10f1, 2022.1.17f1, 2022.2.0b8, 2023.1.0a11
Not reproducible with: 2020.3.39f1, 2021.1.28f1

Reproducible on: Windows 11 Pro 21H2

Note: on the 2021.1 stream, Unity Editor doesn’t crash, but the previous MenuItem still exists when it shouldn’t