Fix language detection for some browsers

client/src/locales/index.js

@@ -1,11 +1,11 @@
 import fromPairs from 'lodash/fromPairs';
 
-import enUS from './en-US/embed';
-import ruRU from './ru-RU/embed';
+import en from './en/embed';
+import ru from './ru/embed';
 
 const localePairs = [
-  ['en-US', enUS],
-  ['ru-RU', ruRU],
+  ['en', en],
+  ['ru', ru],
 ];
 
 export const languages = localePairs.map((locale) => locale[0]);