Steps to reproduce:
1. Create a new project
2. Create UI Document (Create > UI Toolkit > UI Document)
3. Double-click on the newly created UI Document to open UI Builder
4. Drag Visual Element to the Hierarchy
5. Open Filter dropdown section in Visual Element Inspector
6. Add Invert filter and move mouse around the UI Builder window
Actual results: Visual Element starts flickering
Expected results: Nothing of note happens
Reproducible with versions: 6000.3.0a1
Couldn’t reproduce with versions: 2021.3.52f1, 2022.3.62f1, 6000.0.52f1, 6000.1.9f1, 6000.2.0b7 (no Filter section)
Tested on (OS): Ubuntu 22.04, macOS Sequoia 15.4 (M4)
Note: Issue is only reproducible when Visual Element Background color is not changed from default one