AMBARI-17982: Deselect Tech Preview Components by Default (jluniya)

ambari-web/app/models/stack_service.js

@@ -214,7 +214,8 @@ App.StackService.displayOrder = [
 ];
 
 App.StackService.unSelectByDefault = [
-  'SPARK2'
+  'SPARK2',
+  'LOGSEARCH'
 ];