AMBARI-6073 HA step 2: Uncaught object error (ababiichuk)

ambari-web/app/templates/main/admin/highAvailability/step2.hbs

@@ -76,5 +76,5 @@
 </div>
 <div class="btn-area">
   <a class="btn" {{action back}}>&larr; {{t common.back}}</a>
-  <a class="btn btn-success pull-right" {{bindAttr disabled="isSubmitDisabled"}} {{action submit target="controller"}}>{{t common.next}} &rarr;</a>
+  <a class="btn btn-success pull-right" {{bindAttr disabled="submitDisabled"}} {{action submit target="controller"}}>{{t common.next}} &rarr;</a>
 </div>