feat: 添加全局确认对话框管理器，重构对话框服务，优化用户交互体验

src/renderer/App.vue

@@ -1,11 +1,13 @@
 <script setup lang="tsx">
 import { DefaultLayout } from '@/renderer/components/layout'
+import GlobalDialog from '@/renderer/components/GlobalDialog.vue'
 </script>
 
 <template>
   <DefaultLayout>
     <router-view />
   </DefaultLayout>
+  <GlobalDialog />
 </template>
 
 <style>