Steps to reproduce:

1. Create a new Unity project
2. Install the "Asset Manager" package
3. Open Asset Manager window (Window -> Asset Manager)
4. Add a few assets
5. Select any asset in the "Assets" window and observe the window buttons
6. Go to the "Upload" window
7. Drag in a few assets
8. Select any asset, and click "Add custom field"
9. Observe the UI

Actual results: The asset details section in the "Upload" tab displays a search section with the informational message without a margin
Expected results: A margin should be added below the search and informational message

Reproducible with versions: 1.6.0, 1.7.0 (6000.0.58f1, 6000.2.6f1, 6000.3.0b3)

Tested on (OS): macOS - Sequoia 15.6.1