perf: 增加邮件列表分页，暂时显示第一页

src/views/orders/components/MailBox.jsx

@@ -37,6 +37,7 @@ const MailBox = ({ mailboxDir, onMailItemClick, ...props}) => {
   const [form] = Form.useForm()
 
   const { mailList, isLoading, error } = useEmailList(mailboxDir);
+  const pagedList = mailList.length === 0 ? [] : mailList.slice(0, 50)
 
   console.info('props.breadcrumb: ', props.breadcrumb)
   console.info('props.mailboxDir: ', mailboxDir)
@@ -191,7 +192,7 @@ const MailBox = ({ mailboxDir, onMailItemClick, ...props}) => {
           }
           itemLayout='vertical'
           pagination={false}
-          dataSource={mailList}
+          dataSource={pagedList}
           renderItem={mailItemRender}
         />
       </div>