fix: side bar polish updates

[RobChangCA]

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?

Description

• side bar width 390px - as per figma
• the text 'Theme', 'Logo', 'Color' is now gray
• 'Brand color' changed to 'Color'
• 'Add passkey after signup' is now gray
• linear background on whole app
• social auth on a new line

Testing steps

Ensure that the styles noted in description apply to the fields in the sidebar.

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PR-Codex overview

This PR focuses on enhancing the UI and functionality of the application by updating styles, modifying component properties, and adding new elements, particularly in the Authentication, Styling, and ThemeSwitch components.

Detailed summary

• Updated --foreground color in globals.css.
• Increased dimensions for the svg in wordmark.tsx.
• Added dashboard link in links.ts.
• Changed foreground color handling in tailwind.config.ts.
• Fixed text color in Toast.tsx.
• Adjusted dimensions and attributes in lock.tsx svg.
• Introduced PaletteIcon component in palette.tsx.
• Modified ThemeSwitch component for background colors.
• Adjusted spacing in Authentication.tsx.
• Updated TopNav component for layout and styling.
• Added support-url input field in Styling.tsx.

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Name	Status	Preview	Comments	Updated (UTC)
aa-sdk-site	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 2, 2024 1:55pm
aa-sdk-ui-demo	✅ Ready (Inspect)	Visit Preview	💬 1 unresolved ✅ 6 resolved	Oct 2, 2024 1:55pm