fix: Frontend translation library expects dash separated, not underscore separated languages – this fix is required to enable working pluralization

app/components/Authenticated.js

@@ -21,7 +21,9 @@ const Authenticated = ({ children }: Props) => {
   // the user available and means we can start loading translations faster
   React.useEffect(() => {
     if (i18n.language !== language) {
-      i18n.changeLanguage(language);
+      // Languages are stored in en_US format in the database, however the
+      // frontend translation framework (i18next) expects en-US
+      i18n.changeLanguage(language.replace("_", "-"));
     }
   }, [i18n, language]);