add: intro tooltips for shipping smart defaults - removed php code for setting 'reviewed' option as it was being set on page load and thus always evaluated to true before the user sees it - added intro tooltips
* Update shipping recommendations display logic * Add todo comment * Add changelog * Render null for shipping recommendations if store only sells digital products * Fix onboarding product type * Update plugins/woocommerce-admin/client/shipping/test/experimental-shipping-recommendations.tsx Co-authored-by: Ilyas Foo <foo.ilyas@gmail.com> Co-authored-by: Ilyas Foo <foo.ilyas@gmail.com>