refactor : ai 요청도 history로 복구 가능하도록 수정

Author: kimnamheeee

client/src/store/NodeListProvider.tsx

@@ -87,7 +87,6 @@ export default function NodeListProvider({ children }: { children: ReactNode })
           payload: initializedNodes,
           callback: (response) => {
             overrideNodeData(response);
-            overrideHistory(JSON.stringify(response));
           },
         });
       },