Using contextual menu option Open Documentation for UI related Shader Graph nodes redirects to missing manual pages

Steps to reproduce:

1. Open the attached project
2. Open the testUINodes shadergraph asset
3. Right-click on the Render Type Branch node
4. Select the "Open Documentation" option

Actual results: A missing manual page is opened

Expected results: The user is redirected to one of the manual pages in this manual section, depending on which node was selected

Reproducible with versions: 6000.3.0a5, 6000.3.2f1, 6000.4.0b1, 6000.5.0a3

Can’t test with versions: 6000.0.64f1, 6000.2.15f1, 6000.3.0a4 (UI shader graph nodes were not yet available)

Tested on (OS): Ubuntu 24.04, macOS 26.1

Notes:

• Nodes affected:
  • Default Solid
  • Default Texture
  • Default SDF Text
  • Default Bitmap Text
  • Default Gradient
  • Render Type
  • Render Type Branch
  • Sample Element Texture