AMBARI-7503. Ambari deploys HDP-2.1 even if you select HDP-2.2.1. (jaimin)

ambari-web/app/controllers/installer.js

@@ -236,6 +236,7 @@ App.InstallerController = App.WizardController.extend({
     var stacks = this.get('content.stacks');
     var dfd = $.Deferred();
     if (stacks && stacks.get('length')) {
+      App.set('currentStackVersion', App.Stack.find().findProperty('isSelected').get('id'));
       dfd.resolve(true);
     } else {
       App.ajax.send({