#7798871 Added disclaimer for products in beta.

Proposed Changes

• The soon-to-be-launched Jetpack Social Advanced plan is in Beta, we are pricing it at 180$ for the first year, but we are going to double the price after one year. We need to add this to our terms and conditions.

Testing Instructions

• Do yarn start to boot up your local calypso after checking out to this branch.
• Go to http://calypso.localhost:3000/checkout/jetpack/jetpack_social_advanced_yearly and look at the newly added disclaimer.

• Go to http://calypso.localhost:3000/checkout/jetpack/jetpack_social_basic_yearly and make sure that the newly added disclaimer is gone since it’s not applicable to the selected product.

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-ajp-p2)?

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