fix: fixed the issue where the greeting message could not be displayed when opening the debug window #918 (#1499)

### What problem does this PR solve?

fix: fixed the issue where the greeting message could not be displayed
when opening the debug window #918

### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)

web/src/hooks/flow-hooks.ts

@@ -95,6 +95,7 @@ export const useFetchFlow = (): {
     initialData: {} as IFlow,
     refetchOnReconnect: false,
     refetchOnMount: false,
+    refetchOnWindowFocus: false,
     queryFn: async () => {
       const { data } = await flowService.getCanvas({}, id);
 

web/src/pages/flow/hooks.ts

@@ -374,12 +374,12 @@ export const useSaveGraphBeforeOpeningDebugDrawer = (show: () => void) => {
       const resetRet = await resetFlow();
       // After resetting, all previous messages will be cleared.
       if (resetRet?.retcode === 0) {
-        refetch();
         // fetch prologue
         const sendRet = await send({ id });
         if (receiveMessageError(sendRet)) {
           message.error(sendRet?.data?.retmsg);
         } else {
+          refetch();
           show();
         }
       }