fix(ui): avoid stale closure when clearing connectivity error

Always dispatch setConnectivityError(null) on successful API response
instead of conditionally checking connectivityError. This avoids stale
closure issues where the callback captures an outdated value.

References: #RI-7761

Author: pawelangelow

redisinsight/ui/src/components/database-overview/hooks/useDatabaseOverview.ts

@@ -52,10 +52,10 @@ export const useDatabaseOverview = () => {
     if (connectedInstanceId) {
       dispatch(
         getDatabaseConfigInfoAction(connectedInstanceId, () => {
-          // Clear connectivity error on successful API call
-          if (connectivityError) {
-            dispatch(setConnectivityError(null))
-          }
+          // Clear connectivity error on successful API call.
+          // Always dispatch to avoid stale closure issues - dispatching null
+          // when there's no error is a safe no-op.
+          dispatch(setConnectivityError(null))
         }),
       )
       setLastRefreshTime(Date.now())