Fix stuck claiming button

src/components/moderation/QueueItem.tsx

@@ -107,6 +107,8 @@ export const QueueItem = memo(({
       // On success, component will re-render with new lock state
     } catch (error) {
       console.error('Failed to claim submission:', error);
+    } finally {
+      // Always reset claiming state, even on success
       setIsClaiming(false);
     }
   }, [onClaimSubmission, item.id]);