ENGCOM-5512: Resolve No auto-focus after validation at 'Create Configurations' button => User can not see the error message issue23904 #23905

 - Merge Pull Request #23905 from edenduong/magento2:2.3-bugfix/fix_auto_focus_invalid_issue23904
 - Merged commits:
   1. 039ea77

Author: magento-engcom-team

app/code/Magento/ConfigurableProduct/view/adminhtml/web/js/components/modal-configurable.js

@@ -34,6 +34,8 @@ define([
                 }
 
                 this._super();
+            } else {
+                this.form().focusInvalid();
             }
         }
     });