fix fileUpload state '' to true

src/client/js/services/AdminAppContainer.js

@@ -20,7 +20,7 @@ export default class AdminAppContainer extends Container {
       confidential: '',
       globalLang: '',
       isEmailPublishedForNewUser: true,
-      fileUpload: '',
+      fileUpload: true,
 
       siteUrl: '',
       envSiteUrl: '',