AMBARI-4662. Install Wizard: Assign Masters: some selects disabled. (Denys Buzhor via onechiporenko)

ambari-web/app/controllers/wizard/step5_controller.js

@@ -206,7 +206,7 @@ App.WizardStep5Controller = Em.Controller.extend({
           componentObj.component_name = _componentInfo.component_name;
           componentObj.display_name = _componentInfo.display_name;
           componentObj.selectedHost = savedComponent ? savedComponent.hostName : this.selectHost(_componentInfo.component_name);   // call the method that plays selectNode algorithm or fetches from server
-          componentObj.isInstalled = savedComponent ? savedComponent.isInstalled : App.HostComponent.find().someProperty('componentName', _componentInfo.component_name);
+          componentObj.isInstalled = savedComponent ? savedComponent.isInstalled : false;
           componentObj.serviceId = services[index];
           componentObj.availableHosts = [];
           componentObj.isHiveCoHost = ['HIVE_METASTORE', 'WEBHCAT_SERVER'].contains(_componentInfo.component_name) && !this.get('isReassignWizard');