Resolve "Add recent searches to Sentry error list in GitLab"

What does this MR do?

Related issue: #34067 (closed)

Add recent search dropdown to error tracking

Screenshots

Testing

1. Login to https://sentry.gitlab.net/ and get API key
2. On localhost, go to a project, Settings > Operations > Error Tracking
3. Sentry URL: https://sentry.gitlab.net/
4. Auth token -> API key from Sentry
5. Click Connect, select sentry-testing project

Load error tracking page

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation created/updated or follow-up review issue created
• Code review guidelines
• Merge request performance guidelines
• Style guides