feat: increase support for multiple time zones

* 优化实现方法

packages/effects/layouts/src/basic/header/header.vue

@@ -13,6 +13,7 @@ import {
   LanguageToggle,
   PreferencesButton,
   ThemeToggle,
+  TimezoneButton,
 } from '../../widgets';
 
 interface Props {
@@ -172,6 +173,9 @@ function clearPreferencesAndLogout() {
         <template v-else-if="slot.name === 'fullscreen'">
           <VbenFullScreen class="mr-1" />
         </template>
+        <template v-else-if="slot.name === 'timezone'">
+          <TimezoneButton class="mr-1 mt-[2px]" />
+        </template>
       </slot>
     </template>
   </div>