pref: reduce the times of useNodes reRender (#28682)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

web/app/components/workflow/nodes/variable-assigner/components/node-group-item.tsx

@@ -3,7 +3,7 @@ import {
   useMemo,
 } from 'react'
 import { useTranslation } from 'react-i18next'
-import { useNodes } from 'reactflow'
+import useNodes from '@/app/components/workflow/store/workflow/use-nodes'
 import { useStore } from '../../../store'
 import { BlockEnum } from '../../../types'
 import type {

web/app/components/workflow/nodes/variable-assigner/hooks.ts

@@ -1,8 +1,9 @@
 import { useCallback } from 'react'
 import {
-  useNodes,
   useStoreApi,
 } from 'reactflow'
+import useNodes from '@/app/components/workflow/store/workflow/use-nodes'
+
 import { uniqBy } from 'lodash-es'
 import { produce } from 'immer'
 import {