fix(test): stabilize RerankerDetailPage delete test on Node 20

Filter GET assertions to only count requests occurring after the
DELETE call index, avoiding false positives from stale query
refetches that fire during user interaction on slower runtimes.

Author: feihongxu0824

apps/frontend/src/pages/rerankers/RerankerDetailPage.test.tsx

@@ -186,8 +186,11 @@ describe('RerankerDetailPage', () => {
       expect(state.deleted).toBe('my-rrf');
     });
 
+    // Only count GETs that occur AFTER the DELETE call (ignore stale refetches
+    // that may fire during the click interaction on slower runtimes like Node 20).
+    const deleteIdx = state.calls.findIndex((c) => c.method === 'DELETE');
     const getAfterDelete = state.calls.filter(
-      (c) => c.method === 'GET' && c.path.includes('/ai/rerankers/my-rrf'),
+      (c, i) => i > deleteIdx && c.method === 'GET' && c.path.includes('/ai/rerankers/my-rrf'),
     );
     expect(getAfterDelete).toHaveLength(0);
   });