improvement(ux): polish knowledge connector modal controls #4730

Bugbot Review

Bugbot Analysis Progress (6m 28s elapsed)

✅ Gathered PR context (5s)
✅ Completed bug detection (6m 22s)
✅ Posted analysis results (1s)

Final Result: Bugbot completed review - no issues found! ✅

Request ID: serverGenReqId_ec2a1ed5-4d00-4765-96c5-b831564d3526

✅ Bugbot reviewed your changes and found no new issues!

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^{Reviewed by Cursor Bugbot for commit 2cb0571. Configure here.}