feat: 恢复暗黑主题 (#2947)

* feat: 恢复暗黑主题

* fix: 修复danger btn暗黑样式优先级

Author: wangjue666

src/components/Application/index.ts

@@ -4,12 +4,12 @@ import appLogo from './src/AppLogo.vue';
 import appProvider from './src/AppProvider.vue';
 import appSearch from './src/search/AppSearch.vue';
 import appLocalePicker from './src/AppLocalePicker.vue';
-// import appDarkModeToggle from './src/AppDarkModeToggle.vue';
+import appDarkModeToggle from './src/AppDarkModeToggle.vue';
 
 export { useAppProviderContext } from './src/useAppContext';
 
 export const AppLogo = withInstall(appLogo);
 export const AppProvider = withInstall(appProvider);
 export const AppSearch = withInstall(appSearch);
 export const AppLocalePicker = withInstall(appLocalePicker);
-// export const AppDarkModeToggle = withInstall(appDarkModeToggle);
+export const AppDarkModeToggle = withInstall(appDarkModeToggle);