Reproduction steps:
1. Open the attached “ReproProj” project
2. In the Project window, select an existing “New Dialogue” and expand the Nodes field in the Inspector window
3. Right-click on a folder and select Create -> Dialogue
4. In the Inspector window, observe that there are two nodes
5. Click on the second node or anywhere in the Inspector window
6. Observe the results

Expected Result: The second node does not disappear
Actual Result: The second node disappears

Reproducible with: 2022.1.0a7, 2022.3.33f1, 6000.0.6f1
Not reproducible with: 2021.3.39f1, 2022.1.0a6

Reproducible on: Windows 11 Pro
Not reproducible on: No other environments tested