Summary

Fixes issue where codicon would render as text in comparison picker title (as VS Code doesn't support icons in quick pick title)

Impact

Removes the invalid codicon text

Validation

1. Open comparison picker (e.g., compare branches or commits)
2. Verify that no codicon text is showing
3. Check various comparison scenarios

Risk

Low - UI-only fix

Follow Ups

None

Closed by 3db4e45