Terrain Property icons blends in when selected in Animation window with the Light Editor theme enabled

Steps to reproduce:
1. Create new Unity project
2. In Hierarchy window create Terrain object (3D Object > Terrain)
3. Open Animation window
4. Create new Animation
5. Press on “Add Property” button
6. Select “Terrain” or “Terrain Collider” property
7. Observe the icons

Actual results: Green Terrain icons blends in with blue selection highlight in dropdown window

Expected results: The selection highlight color or Terrain icons should contrast enough to ensure visibility

Reproducible with versions: 6000.0.56f1, 6000.1.16f1, 6000.2.2f1, 6000.3.0a5

Tested on (OS): macOS Silicon, Sequoia 15.6 (M1)