Fix system search in integration form modal

[jpople]

Ticket ENG-2831

Description Of Changes

Fixed search behavior in the integration form modal being incorrect. The onSearch prop wasn't being passed through the ControlledSelect, so options weren't being refetched and instead searching was only happening locally and filtering on value instead of name (desired).

Also includes a small alignment fix in the connection test status box.

Steps to Confirm

1. Add some systems using the bulk system add
2. Create an integration (e.g. BigQuery)
3. View the integration's detail page
4. Click "manage"; inside the form, the system select should refetch its options list after a short debounce when you search

Pre-Merge Checklist

• Issue requirements met
• All CI pipelines succeeded
• CHANGELOG.md updated
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  • Updates unreleased work already in Changelog, no new entry necessary
• UX feedback:
  • All UX related changes have been reviewed by a designer
  • No UX review needed
• Followup issues:
  • Followup issues created
  • No followup issues
• Database migrations:
  • Ensure that your downrev is up to date with the latest revision on main
  • Ensure that your downgrade() migration is correct and works
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  • No migrations
• Documentation:
  • Documentation complete, PR opened in fidesdocs
  • Documentation issue created in fidesdocs
  • If there are any new client scopes created as part of the pull request, remember to update public-facing documentation that references our scope registry
  • No documentation updates required

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Project	Deployment	Actions	Updated (UTC)
fides-plus-nightly	Ready	Preview, Comment	Feb 26, 2026 10:10pm

1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
fides-privacy-center	Ignored		Feb 26, 2026 10:10pm

[greptile-apps]

Greptile Summary

Fixed system search functionality in the integration form modal by properly passing the onSearch prop through ControlledSelect. Previously, the component only enabled search handling in tags mode, causing server-side search to be ignored and filtering to happen only locally on values instead of names.

• Modified ControlledSelect to respect the onSearch prop when provided, enabling server-side search for any select component
• Added filterOption={false} to the system select in ConfigureIntegrationForm to disable client-side filtering when using server-side search
• Fixed alignment in ConnectionStatusNotice by wrapping "Connection not tested" text in a Flex component for consistency

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The changes are focused bug fixes with clear intent: enabling server-side search by properly passing through the onSearch prop, disabling client-side filtering when server-side search is active, and a small alignment fix for consistency. The logic is straightforward and addresses a specific issue without introducing complexity or side effects.
• No files require special attention

Important Files Changed

Filename	Overview
clients/admin-ui/src/features/common/form/ControlledSelect.tsx	Fixed onSearch prop handling to support server-side search by checking if onSearch is provided OR if mode is tags
clients/admin-ui/src/features/integrations/ConnectionStatusNotice.tsx	Wrapped 'Connection not tested' text in Flex component for consistent alignment with other status messages
clients/admin-ui/src/features/integrations/add-integration/ConfigureIntegrationForm.tsx	Added filterOption={false} to disable client-side filtering when using server-side search

_{Last reviewed commit: af5a2dd}

[greptile-apps]

_{3 files reviewed, no comments}

_{Edit Code Review Agent Settings | Greptile}

[gilluminate]

Works well in Vercel testing