Stats: Paywall Stats Traffic modules with upsell in StatsModule

[dognose24]

Related to https://github.com/Automattic/red-team/issues/74

Proposed Changes

• Utilize the StatsCardUpsell inside StatsModule to paywall Stats Traffic page modules.
• Paywall Jetpack sites created after 2024-01-31 without any Stats purchase.

Why are these changes being made?

• Lock Stats Traffic page modules to users with no valid Stats purchases.

Testing Instructions

• Create a new JN site without purchasing any Stats products.
• Spin this change up with the Calypso Live branch.
• Navigate to Stats > Traffic page for the new JN site with the feature flag: /stats/day/{site-slug}?flags=stats/restricted-dashboard.
• Ensure the modules on the page are all locked.

Pre-merge Checklist

• [ ] Has the general commit checklist been followed? (PCYsg-hS-p2)
• [ ] Have you written new tests for your changes?
• [ ] Have you tested the feature in Simple (P9HQHe-k8-p2), Atomic (P9HQHe-jW-p2), and self-hosted Jetpack sites (PCYsg-g6b-p2)?
• [ ] Have you checked for TypeScript, React or other console errors?
• [ ] Have you used memoizing on expensive computations? More info in Memoizing with create-selector and Using memoizing selectors and Our Approach to Data
• [ ] Have we added the "[Status] String Freeze" label as soon as any new strings were ready for translation (p4TIVU-5Jq-p2)?
• [ ] For changes affecting Jetpack: Have we added the "[Status] Needs Privacy Updates" label if this pull request changes what data or activity we track or use (p4TIVU-aUh-p2)?