fix(www): Fixed landing page crash (ui.shadcn.com) due to Select/Dropdown/Combobox examples

[manjushsh]

Changes:

This PR resolves issues:

1. [bug]: Landing page crashes when examples > forms > account > language selection dropdown clicked. #4096
2. [bug]: Application error: a client-side exception has occurred on examples > playground page #4102 for both default and new york
3. [bug]: click combobox in form cause error #4106 for both default and new york

All Test cases passed.

Screenshot:

In account:

In components (default and new york):

In Playground, Preset selector has been updated as well #4102

Test cases:

[vercel]

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[manjushsh]

@shadcn, Can you please review this? Thanks!