Temporarily remove width constraints when measuring content to prevent
scrollWidth from being limited by narrow container. This fixes the issue
where dropdown width was incorrectly calculated as ~120px.
Also update test to match maxItems default value (100).
- Add token parsing to support include/exclude search terms using "-" prefix
- Implement token-based matching logic for relative path searches
- Improve search result sorting by prioritizing prefix matches and match position
- Add frontend test for multi-token highlighting with exclusion support
