refactor: 统一 setup 格式

src/views/system/mail/account/index.vue

@@ -64,7 +64,7 @@
   <!-- 详情弹窗 -->
   <MailAccountDetail ref="detailRef" />
 </template>
-<script setup lang="ts">
+<script lang="ts" setup>
 import { allSchemas } from './account.data'
 import * as MailAccountApi from '@/api/system/mail/account'
 import MailAccountForm from './MailAccountForm.vue'

src/views/system/mail/log/index.vue

@@ -34,7 +34,7 @@
   <!-- 表单弹窗：详情 -->
   <mail-log-detail ref="detailRef" />
 </template>
-<script setup lang="ts">
+<script lang="ts" setup>
 import { allSchemas } from './log.data'
 import * as MailLogApi from '@/api/system/mail/log'
 import MailLogDetail from './MailLogDetail.vue'

src/views/system/mail/template/index.vue

@@ -65,7 +65,7 @@
   <!-- 表单弹窗：发送测试 -->
   <MailTemplateSendForm ref="sendFormRef" />
 </template>
-<script setup lang="ts">
+<script lang="ts" setup>
 import { allSchemas } from './template.data'
 import * as MailTemplateApi from '@/api/system/mail/template'
 import MailTemplateForm from './MailTemplateForm.vue'