Revert "AMBARI-7691 Cluster state is lost when session is expired during cluster installation. (atkach)"

This reverts commit ba2594d5be7de9f058e0cd62043f2af05a351a07.

ambari-web/app/mappers/stack_mapper.js

@@ -73,7 +73,7 @@ App.stackMapper = App.QuickDataMapper.create({
     var resulOS = [];
     var resultRepo = [];
 
-    var stackVersions = json.items.filterProperty('Versions.active');
+    var stackVersions =   json.items.filterProperty('Versions.active');
     stackVersions.sortProperty('Versions.stack_version').reverse().forEach(function(item) {
       var stack = item.Versions;
       var operatingSystemsArray = [];
@@ -106,9 +106,9 @@ App.stackMapper = App.QuickDataMapper.create({
       
     }, this);
 
-    App.store.commit();
     App.store.loadMany(modelRepo, resultRepo);
     App.store.loadMany(modelOS, resulOS);
     App.store.loadMany(modelStack, resultStack);
+
   }
 });

ambari-web/app/mixins/common/userPref.js

@@ -80,9 +80,7 @@ App.UserPref = Em.Mixin.create({
    * @param {Object} value
    */
   postUserPref: function (key, value) {
-    if (!App.get('isAdmin')) {
-      return $.Deferred().reject().promise();
-    };
+    if(!App.get('isAdmin')) return;
     var keyValuePair = {};
     keyValuePair[key] = JSON.stringify(value);
     return App.ajax.send({

ambari-web/test/mappers/stack_mapper_test.js

@@ -260,10 +260,6 @@ describe('App.stackMapper', function () {
       App.resetDsStoreTypeMap(App.Repository);
       App.resetDsStoreTypeMap(App.OperatingSystem);
       App.resetDsStoreTypeMap(App.Stack);
-      sinon.stub(App.store, 'commit', Em.K);
-    });
-    afterEach(function(){
-      App.store.commit.restore();
     });