* Update cart/coupon/shipping design
* Add order summary heading
* Move and style discounts on checkout sidebar
* Add rate to tax lines
* Ensure the option to display taxes itemised is available to Cart block
* Output individual tax items below the total & add styles for this
* Add success notice under coupon input on successful coupon addition
* Add border to bottom of Totals footer
* Show success message when adding coupon
* Add padding to cart item rows
* Add preview data to cart for when taxes are enabled
* Add rate to cart response type
* Add showRateAfterTaxName attribute to Cart block
* Add control to cart block to show rate percentage after rate name
* Add rate % in cart totals only if option is toggled on
* Pass showRateAfterTaxName attribute down to TotalsTaxes
* Add showRateAfterTaxName to Checkout block
* Add control to block editor for showRateAfterTaxName on Checkout
* Pass showRateAfterTaxName down to TotalsTaxes in Checkout
* Change label for showing tax rates in cart and checkout blocks
* Add test to ensure Taxes section shows in Cart block
* Add tests for cart sidebar and rate percentages
* Remove order summary title from checkout sidebar
* Check if taxes are enabled before rendering the option to show rate %s
* Add ShippingVia component to show the selected rate in sidebar
* Remove value from individual tax rates
* Remove bold from Shipping via label
* Remove coupon added successfully message
* Ensure panel headings that are h2s are the same colour as others
* Clean up eslint warnings
* Show rate %s by default
* Update snapshots following design changes
Co-authored-by: Mike Jolley <mike.jolley@me.com>
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