How to reproduce:
1. Create a new Unity project and open any folder in the Project window
2. In the Hierarchy, right-click -> UI (Canvas) -> Canvas
3. In the Inspector, change the "Render Mode" to "World Space"
4. Click on the Sorting Layer -> Add Sorting Layer
5. Observe the Project window
Expected results: The Project window path doesn't reset
Actual results: The Project window path resets to the Assets root folder
Reproducible with: 6000.0.77f1, 6000.3.15f1, 6000.4.8f1, 6000.5.0b9, 6000.6.0a7
Reproducible on: macOS Tahoe 26 (M1)
Not reproducible on: No other enviornment tested