How to reproduce:
1. Create a new Unity Project
2. Right-click in the Hierarchy -> Effects -> Particle System
3. Select the created GameObject
4. In the Inspector, under the Particle System, select and enable the "Size Over Lifetime" property
5. Click on the "Size" curve and navigate to the "Particle System Curves" preview
6. Click the gear icon to open the Presets window
7. Click on some presets and observe the results

Expected results: There is a visual indication of what preset is selected
Actual results: There is no visual indication and it is not clear what preset is selected

Reproducible with: 2022.3.56f1, 6000.0.34f1, 6000.1.0b1

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