fix(ui): Font inconsistencies

[joe-bell]

Description

Most issues turn out to be fixed by #3820 (Inter made it tricky to identify inconsistencies)

• Fix separator spacing
• Adjust Card footer weight
• Use a disabled LinkButton within the resend for a more consistent experience (additionally, a disabled button provides better context on why the content has a countdown)

Checklist

• npm test runs as expected.
• npm run build runs as expected.
• (If applicable) JSDoc comments have been added or updated for any package exports
• (If applicable) Documentation has been updated

Type of change

• 🐛 Bug fix
• 🌟 New feature
• 🔨 Breaking change
• 📖 Refactoring / dependency upgrade / documentation
• other:

[changeset-bot]

🦋 Changeset detected

Latest commit: e363f36

The changes in this PR will be included in the next version bump.

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