How to reproduce:
1. Open the attached project "ReproductionProject"
2. In the Project window, go to Assets -> Prefabs
3. Select the "Coin" prefab
4. In the Inspector, go to the Prefab Variant Menu near the "Open" button
5. Expand and collapse the "Children" menu multiple times
6. Observe the results

Expected results: The menu doesn't flicker
Actual results: Most of the time tab flickers during the collapsing/expanding action 

Reproducible with: 2022.3.56f1, 6000.0.34f1, 6000.1.0b2

Reproducible on: macOS Sequoia 15.1 (M1)
Not reproducible on: No other environment tested

Note: In 2022.3.56f1 the flickering is rarer