Which @angular/* package(s) are the source of the bug?

Don't known / other

Is this a regression?

Yes

Description

If I select version 19 from the documentation and reopen the select to select a version, two versions 18 (duplicates) appear.

Please provide a link to a minimal reproduction of the bug

https://v19.angular.dev/overview

Please provide the exception or error you saw

Please provide the environment you discovered this bug in (run ng version)

Anything else?

No response