In certain scenarios [Object object] is displayed instead of code

[mlopezFC]

Describe the bug

In certain scenarios the following is shown:

This seems to be related to this issue.

Expected behavior

It should show the source code correctly

Minimal reproducible example

It is difficult to provide such an example, but in the addons demo, where prism is being used, this problem happens

Add-on Version

1.0.0-SNAPSHOT

Vaadin Version

24

Additional information

No response