[Sentry SENTRY-2049] Checkout crashes when an expired cart is restored

[remedy-local-mateus]

remediation-run:db3d2fe8-9da2-40ce-87dc-b7ecfc0935ed

Automated remediation tracking issue.

• Sentry: https://sentry.io/issues/SENTRY-2049/
• Release: storefront@2026.07.13
• SHA: a17c9e241b9d8a1
• Execution: http://localhost:3000/runs/db3d2fe8-9da2-40ce-87dc-b7ecfc0935ed
• Evidence: none available yet

A draft pull request will be opened only after reproduction and validation succeed.