(fix): speeds up latest search on production

Ticket(s) / Related Merge Requests

N/A

Summary of Changes

This change flips the range query to a 'must_not', which is showing to be 100x faster on our production workloads.

Testing Considerations

Deployment Considerations

Regression Scope

Platform Affected (web, mobile, etc)

Developer Testing Completed

Screenshots / Screen Recording

Does this impact

• Localization
• Dark/light mode
• Guest mode

Definition of Done Checklist

• The Acceptance Criteria has been met
• Code is tested: Testing includes unit/spec, E2E/automated and manual testing
• Merge requests description has been filled out