refactor: reconstruct language files into multi-file structures (#4683)

* refactor: reconstruct language files into multi-file structures

* chore: typo

packages/effects/layouts/src/widgets/user-dropdown/user-dropdown.vue

@@ -152,7 +152,7 @@ if (enableShortcutKey.value) {
     footer-class="border-none mb-3 mr-3"
     header-class="border-none"
   >
-    {{ $t('widgets.logoutTip') }}
+    {{ $t('ui.widgets.logoutTip') }}
   </LogoutModal>
 
   <DropdownMenu>
@@ -206,7 +206,7 @@ if (enableShortcutKey.value) {
         @click="handleOpenLock"
       >
         <LockKeyhole class="mr-2 size-4" />
-        {{ $t('widgets.lockScreen.title') }}
+        {{ $t('ui.widgets.lockScreen.title') }}
         <DropdownMenuShortcut v-if="enableLockScreenShortcutKey">
           {{ altView }} L
         </DropdownMenuShortcut>