fix: set html lang when the language change

npm/ng-packs/packages/core/src/lib/services/localization.service.ts

@@ -33,9 +33,10 @@ export class LocalizationService {
   }
 
   private listenToSetLanguage() {
-    this.actions
+    this.actions.pipe(ofActionSuccessful(SetLanguage)).subscribe(({ payload }) => {
-      .pipe(ofActionSuccessful(SetLanguage))
+      this.registerLocale(payload);
-      .subscribe(({ payload }) => this.registerLocale(payload));
+      document.documentElement.lang = payload;
+    });
   }
 
   setRouteReuse(reuse: ShouldReuseRoute) {