Reproduction steps:

1. Open the project “sublabel”
2. Click on the “Main Camera”
3. Show the UI Toolkit Debugger on the Inspector by clicking on the Window menu button (3 dots menu on the top-right corner of the Inspector) and click UI Toolkit Debugger.
4. In the Inspector, scroll down to the “New Behaviour Script” attached to it in the Inspector window
5. Right-click on the “X” or any other value label (See attached GIF)

Expected result: Context menu dropdown appears with options such as “Copy Property Path”
Actual result: Nothing happens

Reproducible with: 2022.2.0a9, 2022.2.0b3, 2023.1.0a4
Not reproducible with: 2020.3.37f1, 2021.3.8f1, 2022.1.12f1, 2022.2.0a8

Reproducible on: MacOS 12.2.1 (Intel)