Issue with the Traits Manager

Hi, I used your code from (https://stackblitz.com/edit/grapesjs-react-custom-ui?file=src%2FApp.tsx) and I added the form plugin package from "grapesjs-plugin-forms" and after that when i drop the select dropdown in canvas then when i try to open the dropdown its not opening and not working do you have any idea or any solution for this please let me know