chore: add `type` in `ClassValue` imports

[Just-Moh-it]

Why?

I saw you consistently added the type keyword in imports in other files, but missed it in the ClassValue import 🙃

Specifically, got this warning while compiling

Hope this is helpful 😊

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[Just-Moh-it]

Hey @shadcn... pinging for visibility

[shadcn]

@Just-Moh-it I think this was fixed in the latest. I'm marking this done but feel free to re-open if not. Thank you.