Long strings are not truncated in the Assistant search results list

1. Create a Unity project
2. Click the "AI" button
3. Click "Agree and install Unity AI"
4. Wait until the installation is complete
5. Go to the "Project" window
6. Select any asset and rename it to a longer name
7. Open the Assistant window
8. Click "+" in the "Build with Unity" section
9. Type some string into the search field that your renamed asset would be displayed in the results list
10. Observe the result

Actual results: Long title is not truncated and is cut off

Expected results: Long title should be truncated with "..."

Reproducible with versions: 2.0.0-pre.1(6000.4.0b11, 6000.5.0a8)

Tested on (OS): macOS - Tahoe 26.3.1