fix(ui-demo): add passkey toggle wasn't working

[moldy530]

Pull Request Checklist

• Did you add new tests and confirm existing tests pass? (yarn test)
• Did you update relevant docs? (docs are found in the site folder, and guidelines for updating/adding docs can be found in the contribution guide)
• Do your commits follow the Conventional Commits standard?
• Does your PR title also follow the Conventional Commits standard?
• If you have a breaking change, is it correctly reflected in your commit message? (e.g. feat!: breaking change)
• Did you run lint (yarn lint:check) and fix any issues? (yarn lint:write)
• Did you follow the contribution guidelines?

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PR-Codex overview

This PR updates the UI configuration in the CodePreview.tsx component and state.tsx.

Detailed summary

• Updated UI configuration in CodePreview.tsx
• Changed addPasskey value in state.tsx
• Adjusted auth sections based on addPasskey value

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Name	Status	Preview	Comments	Updated (UTC)
aa-sdk-site	❌ Failed (Inspect)			Jul 19, 2024 6:34pm
aa-sdk-ui-demo	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 19, 2024 6:34pm