style: 补全缺失的一处翻译

client/shared/i18n/langs/en-US/translation.json

@@ -187,6 +187,7 @@
   "ka5616453": "Mute {{length}}, expected until {{until}}",
   "ka5d64ee9": "Choose the following template and start creating your own group!",
   "ka62886b9": "Load File Failed",
+  "ka64624b1": "Join the group successfully!",
   "ka697d1d8": "Password modify complete",
   "ka7907771": "Save Successful",
   "ka7ecc377": "Unpin",

client/shared/i18n/langs/zh-CN/translation.json

@@ -187,6 +187,7 @@
   "ka5616453": "禁言 {{length}}, 预计到 {{until}} 为止",
   "ka5d64ee9": "选择以下模板, 开始创建属于自己的群组吧!",
   "ka62886b9": "文件读取失败",
+  "ka64624b1": "加入群组成功!",
   "ka697d1d8": "密码修改成功",
   "ka7907771": "保存成功",
   "ka7ecc377": "Unpin",

client/web/src/routes/Invite/SuccessModal.tsx

@@ -17,7 +17,7 @@ export const SuccessModal: React.FC<Props> = React.memo((props) => {
   }, [closeModal, props.groupId]);
 
   return (
-    <ModalWrapper title="加入群组成功!">
+    <ModalWrapper title={t('加入群组成功!')}>
       <div>
         <Button block={true} type="primary" size="large" onClick={handleNav}>
           {t('跳转到群组')}