Steps to reproduce:
1. Create new Unity project
2. In Hierarchy window create Cube GameObject
3. Select Cube GO
4. In Inspector window press “Add Component” button
5. From menu select “UI Toolkit”
6. Observe Input System Event System (UI Toolkit) Component icon

Actual results: Input System Event System (UI Toolkit) Component icon is blank

Expected results: Input System Event System (UI Toolkit) Component should have an icon, for example like Panel Raycaster (UI Toolkit) Component

Reproducible with versions: 6000.0.65f1, 6000.2.15f1, 6000.3.3f1
Can’t test with versions: 6000.5.0a4 (No Input System Event System (UI Toolkit) Component in the menu)

Tested on (OS): macOS Tahoe 26.1 (M1), Ubuntu 24.04