Reproduction steps:
1. Open the attached ‘DragIssue' project
2. Open the ‘SampleScene’
3. In the Hierarchy window drag the ‘Main Camera’ GameObject down and release it when the blue separator appears
Expected result: The ‘Main Camera’ game object is not selected, Editor works as before
Actual result: The Editor is irresponsive, and the 'Main Camera’ GameObject stays selected
Reproducible with: 2022.2.0a17, 2022.2.0b4, 2023.1.0a4
Not reproducible with: 2020.3.35f1, 2021.3.6f1, 2022.1.9f1, 2022.2.0a16
Reproduced with: MacOS 11.6 (Intel)