feat: Fix translation issue of message_history_window_size #1739 (#2828)

### What problem does this PR solve?

feat: Fix translation issue of message_history_window_size #1739

### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

web/src/components/message-history-window-size-item.tsx

 }: {
   initialValue: number;
 }) => {
-  const { t } = useTranslation('flow');
+  const { t } = useTranslation();
 
   return (
     <Form.Item
       name={'message_history_window_size'}
-      label={t('messageHistoryWindowSize')}
+      label={t('flow.messageHistoryWindowSize')}
       initialValue={initialValue}
-      tooltip={t('messageHistoryWindowSizeTip')}
+      tooltip={t('flow.messageHistoryWindowSizeTip')}
     >
       <InputNumber style={{ width: '100%' }} />
     </Form.Item>