Fix selected languages from preferences

public/views/preferencesLanguage.html

@@ -13,7 +13,7 @@
     ng-repeat="lang in prefLang.availableLanguages" 
     ng-click="prefLang.save(lang.isoCode)" class="line-b p20 size-14">
     <span>{{lang.name}}</span>
-    <i class="fi-check size-16 right" ng-show="index.defaultLanguageIsoCode == lang.isoCode"></i>
+    <i class="fi-check size-16 right" ng-show="prefLang.currentLanguage == lang.isoCode"></i>
   </li>
   </ul>
 </div>

src/js/controllers/preferencesLanguage.js

@@ -4,6 +4,7 @@ angular.module('copayApp.controllers').controller('preferencesLanguageController
   function($scope, $log, $timeout, configService, uxLanguage, go) {
 
     this.availableLanguages = uxLanguage.getLanguages();
+    this.currentLanguage = uxLanguage.getCurrentLanguage();
 
     this.save = function(newLang) {