Fix: Pricing table divider on small screens

[gmjuhasz]

Fixes small bug introduced in #26253

Changes proposed in this Pull Request:

This is a quick PR to fix a bug with the picing-table design, where the divider between rows is not appearing on small screens

• Added left and right props to retain the width of the divider

Other information:

• Have you written new tests for your changes, if applicable?
• Have you checked the E2E test CI results, and verified that your changes do not break them?

Jetpack product discussion

p1664203272317609-slack-C02JJ910CNL

Does this pull request change what data or activity we track or use?

No.

Testing instructions:

• Fire up storybook with running npm run storybook:dev from the js-packages/storybook folder.
• Divider should be present on small screens as well

[matticbot]

Caution: This PR has changes that must be merged to WordPress.com
Hello gmjuhasz! These changes need to be synced to WordPress.com - If you 're an a11n, please commandeer and confirm D88499-code works as expected before merging this PR. Once this PR is merged, please commit the changes to WP.com. Thank you!
This revision will be updated with each commit to this PR

[github-actions]

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[github-actions]

Are you an Automattician? You can now test your Pull Request on WordPress.com. On your sandbox, run bin/jetpack-downloader test jetpack fix/pricing-table-divider to get started. More details: p9dueE-5Nn-p2

[pablinos]

Re-approving

[github-actions]

Great news! One last step: head over to your WordPress.com diff, D88499-code, and deploy it.
Once you've done so, come back to this PR and add a comment with your SVN changeset ID (e.g. r12345-wpcom).

Thank you!

[spsiddarthan]

r253248-wpcom