How to reproduce:
1. Open the attached project "Reproduction"
2. Open the Assets -> Animations -> Coin.controller in the Animator window
3. Click on the "Entry" node
4. In the Inspector, click "Open Reference"
5. Observe the results

Expected results: The reference leads to the relevant documentation page
Actual results: The reference leads to the missing page

Reproducible with: 2022.3.56f1, 6000.0.34f1, 6000.1.0b2

Reproducible on: macOS Sequoia 15.1 (M1)
Not reproducible on: No other environments tested

Note: Documentation is missing for all nodes: Entry, Any State, Animation State and Exit State