A 404 page is opened when selecting "Open Documentation" for any SpeedTree Sub-graph Asset

Steps to reproduce:

1. Create or open any Project with the Shader Graph package installed
2. Create any Shader Graph in the Project Browser and open it
3. Create any Node under the Category "Speedtree"
4. Right click any of the Nodes and choose "Open Documentation"

Actual results: A 404 page opens up

Expected results: Documentation page opens up for "SpeedTree Sub Graph Assets"

Reproducible with versions: 2022.3.61f1, 6000.0.48f1, 6000.1.1f1, 6000.2.0a10

Tested on (OS): Windows 11, macOS 15