Add the file app in the 'new' dropdown menus

www/drive/main.js

@@ -1370,6 +1370,10 @@ define([
             }
             AppConfig.availablePadTypes.forEach(function (type) {
                 if (type === 'drive') { return; }
+                if (!Cryptpad.isLoggedIn() && AppConfig.registeredOnlyTypes &&
+                    AppConfig.registeredOnlyTypes.indexOf(type) !== -1) {
+                    return;
+                }
                 var attributes = {
                     'class': 'newdoc',
                     'data-type': type,