Events are not emitted on async custom elements

[odai-alali]

Version

3.2.31

Reproduction link

codesandbox.io

Steps to reproduce

Click buttons in the reproduction sandbox to render CustomEvent.details under each one

What is expected?

CustemEvent details to be rendered under the second button (async)

What is actually happening?

Event is not emitted from the second button (async) and nothing is rendered