How to reproduce:
1. Create a new Unity project
2. In the Project window, right-click -> Create -> Shader Graph -> From Template
3. Move to any category using the arrow buttons
4. Press Enter/Space and observe the results
Expected results: The section is expanded
Actual results: The section is not expanded
Reproducible with: 6000.3.14f1, 6000.4.6f1, 6000.5.0b7, 6000.6.0a4
Not reproducible with: 6000.0.74f1 (No such feature)
Reproducible on: macOS Tahoe 26 (M1)
Not reproducible on: No other environment tested
Note: The section is expanded after pressing "Tab" and then "Space" which is not intuitive