Set options fetched from the server as it is only when transform function is not provided.

web/pgadmin/browser/static/js/node.ui.js

@@ -81,10 +81,11 @@ function($, _, pgAdmin, Backbone, Backform, Alertify, Node) {
           // It will allow us to generate different data based on the
           // dependencies.
           self.field.set('options', transform.bind(self, data));
-        }
+        } else {
           self.field.set('options', data);
         }
       }
+    }
   });
 
   var NodeListByIdControl = Backform.NodeListByIdControl = NodeAjaxOptionsControl.extend({