try to use console button

templates/client/default/assets/js/defaultComponents/__vue_app_object.js

@@ -578,6 +578,7 @@ var mgDefauleVueObject = {
                     });
 
                     if (targetSize) {
+                        targetSize = "'" + targetSize + "'";
                         window.open(self.targetUrl, '', targetSize);
                     } else {
                         window.open(self.targetUrl, '', 'width=300,height=200');