feat(mosaic): order, mark and manage emails in the user profile

[alexcarpenter]

Description

Wires the email list in the Mosaic user profile to Clerk, matching the legacy EmailsSection. First of three stacked PRs, on top of #9844.

• Emails and phones are ordered primary first, then verified, then pending by expiry, then never started. Unverified ones get an "Unverified" badge.
• Users can set an email as primary and remove one. Set primary is shared by the email and phone rows through useUserProfileSetPrimaryController.
• The remove dialog warns that the address can no longer be used to sign in only when it is verified.
• When the email attribute is immutable, users can still pick a new primary but can't remove an email.

Adding and verifying emails come next in the stack.

None of this is exported yet, so the changeset is empty.

Checklist

• pnpm test runs as expected.
• pnpm 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:

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🦋 Changeset detected

Latest commit: 9d2c22c

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

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[alexcarpenter]

Folded into #9937, which now covers the whole email wire-up against #9844. The commit is unchanged and still in that branch — closing to cut the stack down to two PRs, since nothing here had been reviewed separately.