`$$Props` and missing children prop

[dummdidumm]

Describe the bug

When using $$Props, children isn't likely set on it in Svelte libraries compiled with version 5. We need to add it in that case.

Reproduction

https://discord.com/channels/457912077277855764/1153350350158450758/1178260814239629353

Expected behaviour

No type error

System Info

• OS: [e.g. Windows]
• IDE: [e.g. VSCode, Atom]

Which package is the issue about?

svelte2tsx

Additional Information, eg. Screenshots

No response

[amit13k]

No such errors are displayed after downgrading svelte vscode extension to v108.0.0.

[dummdidumm]

Actually, the better fix is probably to adjust the typings in Svelte 5 to include children as a snippet prop on the attributes