fix(web): always initialize language manager to set lang and dir (#29696)

web/src/lib/managers/language-manager.svelte.ts

@@ -5,12 +5,20 @@ import { langs } from '$lib/utils/i18n';
 class LanguageManager {
   constructor() {
     eventManager.on({
-      AppInit: () => lang.subscribe((lang) => this.setLanguage(lang)),
+      AppInit: () => this.init(),
     });
   }
 
+  initialized = $state(false);
   rtl = $state(false);
 
+  init() {
+    if (!this.initialized) {
+      this.initialized = true;
+      lang.subscribe((lang) => this.setLanguage(lang));
+    }
+  }
+
   setLanguage(code: string) {
     const item = langs.find((item) => item.code === code);
     if (!item) {

web/src/routes/+layout.ts

@@ -1,5 +1,6 @@
 import { commandPaletteManager } from '@immich/ui';
 import { goto } from '$app/navigation';
+import { languageManager } from '$lib/managers/language-manager.svelte';
 import { serverConfigManager } from '$lib/managers/server-config-manager.svelte';
 import { maintenanceCreateUrl, maintenanceReturnUrl, maintenanceShouldRedirect } from '$lib/utils/maintenance';
 import { init } from '$lib/utils/server';
@@ -23,6 +24,7 @@ export const load = (async ({ fetch, url }) => {
   }
 
   commandPaletteManager.enable();
+  languageManager.init();
 
   return {
     error,