add icon to modal title

apps/app/public/static/locales/ja_JP/admin.json

@@ -10,6 +10,7 @@
   "Created": "作成日",
   "Edit": "編集",
   "Description": "説明",
+  "Execute": "実行",
   "last_login": "最終ログイン",
   "wiki_management_homepage": "Wiki管理トップ",
   "public": "公開",

apps/app/public/static/locales/zh_CN/admin.json

@@ -10,6 +10,7 @@
   "Page": "页面",
   "Edit": "编辑",
   "Description": "描述",
+  "Execute": "执行",
   "last_login": "上次登录",
   "wiki_management_homepage": "Wiki管理首页",
   "public": "公共",

apps/app/src/features/external-user-group/client/components/ExternalUserGroup/SyncExecution.tsx

@@ -141,7 +141,8 @@ export const SyncExecution = ({
         toggle={() => setIsAlertModalOpen(false)}
       >
         <ModalHeader tag="h4" toggle={() => setIsAlertModalOpen(false)} className="bg-purple text-light">
-          {t('external_user_group.confirmation_before_sync')}
+          <i className="icon-fw icon-exclamation align-middle"></i>
+          <span className="align-middle">{t('external_user_group.confirmation_before_sync')}</span>
         </ModalHeader>
         <ModalBody>
           <ul>
@@ -149,7 +150,7 @@ export const SyncExecution = ({
             <li>{t('external_user_group.parallel_sync_forbidden')}</li>
           </ul>
           <div className="text-center">
-            <button className="btn btn-primary" type="button" onClick={onSyncExecConfirmBtnClick}>{t('external_user_group.sync')}</button>
+            <button className="btn btn-primary" type="button" onClick={onSyncExecConfirmBtnClick}>{t('Execute')}</button>
           </div>
         </ModalBody>
       </Modal>