How to reproduce:
1. Open the attached project "My project (1).zip"
2. Close the Editor
3. Open the Assets folder with Windows Explorer
4. Move "NewMonoBehaviourScript.cs" and "NewMonoBehaviourScript.cs.meta" into the "New Folder" directory using Windows Explorer
5. Open the project
6. Select Assets/New Folder/NewMonoBehaviourScript.cs in the Project window
Expected results: "NewMonoBehaviourScript.cs" is selected
Actual results: "NewMonoBehaviourScript.cs" is not selected
Reproducible with: 6000.0.22f1, 6000.0.31f1, 6000.1.0a8
Not reproducible with: 2021.3.47f1, 2022.3.54f1, 6000.0.21f1
Reproducible on: Windows 11 23H2
Not reproducible on: No other environment tested