BUG: Invisible webcomponents

Version: 0.17.19

What is the current behavior? That the added webcomponent is visible:

When adding web components inside grapesjs container, the component is empty/blank, if the component has elements in the shadow DOM. (If not using shadow dom to create components there is no issue.) It is visible in layer manager, but empty

Here we can see the diffrence between the element inside and outside. The shadow root is not visible.

What is the expected behavior? The webcomponent inside grapesjs canvas needs to be rendered and look similar to the one outside, on top of the editor.

Are you able to attach screenshots, screencasts or a live demo?

• Yes (attach)
• No

This is the error in the console.