How to reproduce:
1. Create a new Project
2. Create a new UI Document (Right-click in Project Window -> Create -> UI Toolkit -> UI Document)
3. Open up the created UI Document
4. Add a Label Visual Element to the Hierarchy
5. Click on the Label
6. Change the Position Mode to absolute in the Inspector (Position -> Position Mode -> Absolute)
7. Drag around the Visual Element in the Viewport
8. Observe the Inspector

Expected result: The Inspector does not flicker
Actual result: The Inspector is flickering

Reproducible with: 2023.2.18f1

Reproduced on: macOS Sonoma 14.4