svelte5 pass class to child component not working

[shenshouer]

Describe the bug

svelte5 pass class to child component not working

Reproduction

https://svelte.dev/playground/1d0b80898137445da24cf565830ce3f7?version=5.16.0

Logs

No response

System Info

version=5.16.0

Severity

annoyance

[Conduitry]

This isn't how this works. A class prop on a component isn't treated as a class attribute as far as the parent component is concerned - and there's not a special case here to break the parent/child style encapsulation mechanism.