fix(run-history): collapse error rows by default

Failed runs were auto-expanded whenever the data loaded, which made
error panels land in the user's face every visit. Reset
expandedRowKeys on data change so rows start collapsed; users click
the expander to see the stack trace.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: abhizipstack

frontend/src/ide/run-history/Runhistory.jsx

@@ -192,12 +192,9 @@ const Runhistory = () => {
     backUpData,
   ]);
 
-  /* ─── auto-expand failed rows ─── */
+  /* ─── collapse all rows when the underlying data changes ─── */
   useEffect(() => {
-    const failedIds = (JobHistoryData || [])
-      .filter((r) => r.status === "FAILURE" && r.error_message)
-      .map((r) => r.id);
-    setExpandedRowKeys(failedIds);
+    setExpandedRowKeys([]);
   }, [JobHistoryData]);
 
   /* ─── handlers ─── */