Try to use i18n in vue js

aleksis/core/static/js/vue/app.js

@@ -19,6 +19,10 @@ const vuetify = new Vuetify({
             },
         },
     },
+    lang: {
+        locales: JSON.parse(document.getElementById("language-info-list").textContent),
+        current: JSON.parse(document.getElementById("current-language").textContent),
+    }
 })
 
 import SidenavSearch from './components/SidenavSearch.js'