fix(renew): 删除按钮无响应-补导入 ElMessageBox

前端 ResourceDetail.vue 调用 ElMessageBox.confirm 但未导入,
导致点击删除时抛出 ReferenceError 被异步吞掉, 界面无响应。

frontend/src/views/resource/ResourceDetail.vue

@@ -112,7 +112,7 @@
 <script setup>
 import { ref, reactive, onMounted } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
-import { ElMessage } from 'element-plus'
+import { ElMessage, ElMessageBox } from 'element-plus'
 import { resourceDetailApi, resourceRenewApi, resourceRenewalsApi, resourceDeleteRenewalApi } from '@/api/resource'
 import { userEnabledListApi } from '@/api/user'
 import { resourceStatusClass } from '@/utils/status'