Reproduction steps:
1. Create a new project
2. Create a Prefab by dragging a GameObject to Project window
3. Drag the same GameObject to Project window again and select “Prefab Variant” option in “Create Prefab or Variant?” pop-up window
4. Enter a long name to Prefab Variant Asset
5. Select Prefab Variant Asset and press Variant Family button in the Inspector

Actual result: Prefab Variant Asset title is cut off, Asset icon is not displayed and moving scrollbar in the Variant Family window reveals empty space after cut off Asset title
Expected result: Prefab Variant Asset title is truncated with “…”, Asset icon is displayed and scrollbar does not reveal unnecessary empty space

Reproducible with: 6000.0.68f1, 6000.3.9f1, 6000.4.0b9, 6000.5.0a7

Reproduced on: Windows 11, macOS Sequoia 26.2 (M4)