How to reproduce:
1. Create a new HDRP Unity project
2. Open the "OutdoorsScene" scene
3. In the Hierarchy, click on the "Sky and Fog Volume" GameObject
4. In the Inspector, navigate to the "Volume" Component and click the "?" sign to open the documentation
5. Observe the results

Expected results: The documentation is opened
Actual results: The documentation is missing

Reproducible with: 6000.0.46f1, 6000.1.0b14, 6000.2.0a8

Reproducible on: macOS Sequoia 15.3 (M1)
Not reproducible on: No other environment tested