UI Authoring "Enable Hierarchy Integration" property shows no informational message when the new Hierarchy window is disabled

Steps to reproduce:

1. Create a new Unity project using the Universal 3D template
2. Go to Edit > Preferences > General > Hierarchy window
3. Make sure "Use new Hierarchy window" is not enabled
4. Go to Edit > Project Settings > UI Toolkit > UI Authoring
5. Enable the "Enable Hierarchy Integration" toggle
6. Observe the Editor

Actual results: nothing happens because the new Hierarchy is not enabled, and there is no feedback that the new Hierarchy is required for the integration to work

Expected results: an informational log is shown indicating that the new Hierarchy window must be enabled for “Enable Hierarchy Integration” to have any effect

Reproducible with versions: 6000.3.6f1, 6000.4.0b7, 6000.5.0a6

Can’t test with versions: 6000.0.66f1 (setting not available)

Tested on (OS): Windows 11