Display decimals if intended by the merchant

[nielslange]

Fixes #5019

Testing

Automated Tests

• Changes in this PR are covered by Automated Tests.
  • Unit tests
  • E2E tests

Run the following command in the terminal:

npm run test -i packages/prices/utils/test/price.js

Manual Testing

Test $0 price

1. Create a test page, add the mini cart block and save it.
2. Open the mini cart page in the frontend.
3. See that the price shows $0.00.
4. Hover over the price and verify that it remains $0.00.

Test $50 price

1. Add product(s) to the cart with a value of $50.
2. Open the mini cart page in the frontend.
3. See that the price shows $50.00.
4. Hover over the price and verify that it remains $50.00.

User Facing Testing

These are steps for user testing (where "user" is someone interacting with this change that is not editing any code).

• Same as above
• See steps below

Changelog

Ensure that expected numbers of decimals are visible, if wanted my the merchant, even if the price is $0 or has no decimals, such as $50.

[github-actions]

Size Change: +31 B (0%)

Total Size: 1.04 MB

Filename	Size	Change
build/price-format.js	1.19 kB	+31 B (+3%)

ℹ️ View Unchanged

Filename	Size
build/active-filters-frontend.js	6.23 kB
build/active-filters.js	7.09 kB
build/all-products-frontend.js	22.1 kB
build/all-products.js	32.9 kB
build/all-reviews.js	8.3 kB
build/atomic-block-components/add-to-cart--atomic-block-components/button--atomic-block-components/image---a7e2bb9b.js	2.76 kB
build/atomic-block-components/add-to-cart--atomic-block-components/button.js	1.48 kB
build/atomic-block-components/add-to-cart-frontend.js	6.87 kB
build/atomic-block-components/add-to-cart.js	6.44 kB
build/atomic-block-components/button-frontend.js	1.48 kB
build/atomic-block-components/button.js	851 B
build/atomic-block-components/category-list-frontend.js	457 B
build/atomic-block-components/category-list.js	456 B
build/atomic-block-components/image-frontend.js	1.38 kB
build/atomic-block-components/image.js	1.05 kB
build/atomic-block-components/price-frontend.js	1.75 kB
build/atomic-block-components/price.js	1.71 kB
build/atomic-block-components/rating-frontend.js	553 B
build/atomic-block-components/rating.js	554 B
build/atomic-block-components/sale-badge-frontend.js	626 B
build/atomic-block-components/sale-badge.js	623 B
build/atomic-block-components/sku-frontend.js	385 B
build/atomic-block-components/sku.js	386 B
build/atomic-block-components/stock-indicator-frontend.js	584 B
build/atomic-block-components/stock-indicator.js	584 B
build/atomic-block-components/summary-frontend.js	874 B
build/atomic-block-components/summary.js	875 B
build/atomic-block-components/tag-list-frontend.js	458 B
build/atomic-block-components/tag-list.js	458 B
build/atomic-block-components/title-frontend.js	1.11 kB
build/atomic-block-components/title.js	1.11 kB
build/attribute-filter-frontend.js	16.3 kB
build/attribute-filter.js	10.8 kB
build/blocks-checkout.js	20.8 kB
build/cart-blocks/accepted-payment-methods-frontend.js	1.14 kB
build/cart-blocks/checkout-button-frontend.js	1.14 kB
build/cart-blocks/empty-cart-frontend.js	345 B
build/cart-blocks/express-payment-frontend.js	4.82 kB
build/cart-blocks/filled-cart-frontend.js	768 B
build/cart-blocks/items-frontend.js	298 B
build/cart-blocks/line-items-frontend.js	5.13 kB
build/cart-blocks/order-summary-frontend.js	8.95 kB
build/cart-blocks/totals-frontend.js	320 B
build/cart-frontend.js	48.9 kB
build/cart.js	44.5 kB
build/checkout-blocks/actions-frontend.js	1.44 kB
build/checkout-blocks/billing-address--checkout-blocks/shipping-address-frontend.js	4.33 kB
build/checkout-blocks/billing-address-frontend.js	889 B
build/checkout-blocks/contact-information-frontend.js	2.94 kB
build/checkout-blocks/express-payment-frontend.js	5.11 kB
build/checkout-blocks/fields-frontend.js	343 B
build/checkout-blocks/order-note-frontend.js	1.13 kB
build/checkout-blocks/order-summary-frontend.js	11.4 kB
build/checkout-blocks/payment-frontend.js	7.5 kB
build/checkout-blocks/shipping-address-frontend.js	976 B
build/checkout-blocks/shipping-methods-frontend.js	4.89 kB
build/checkout-blocks/terms-frontend.js	1.22 kB
build/checkout-blocks/totals-frontend.js	322 B
build/checkout-frontend.js	51 kB
build/checkout.js	47.5 kB
build/featured-category.js	6.66 kB
build/featured-product.js	8.01 kB
build/handpicked-products.js	5.37 kB
build/legacy-template.js	2.05 kB
build/mini-cart-component-frontend.js	40.6 kB
build/mini-cart-contents.js	1.81 kB
build/mini-cart-frontend.js	1.74 kB
build/mini-cart.js	5.95 kB
build/price-filter-frontend.js	12.1 kB
build/price-filter.js	8.61 kB
build/product-best-sellers.js	5.57 kB
build/product-categories.js	2.91 kB
build/product-category.js	6.44 kB
build/product-new.js	5.73 kB
build/product-on-sale.js	6.11 kB
build/product-search.js	2.47 kB
build/product-tag.js	5.81 kB
build/product-top-rated.js	5.7 kB
build/products-by-attribute.js	6.62 kB
build/reviews-by-category.js	9.94 kB
build/reviews-by-product.js	11 kB
build/reviews-frontend.js	7.21 kB
build/single-product-frontend.js	25.5 kB
build/single-product.js	8.51 kB
build/stock-filter-frontend.js	6.51 kB
build/stock-filter.js	6.81 kB
build/vendors--atomic-block-components/add-to-cart--cart-blocks/order-summary--checkout-blocks/billing-ad--c5eb4dcd-frontend.js	16.1 kB
build/vendors--atomic-block-components/add-to-cart-frontend.js	4.45 kB
build/vendors--atomic-block-components/price--cart-blocks/line-items--cart-blocks/order-summary--checkout--8a3571de-frontend.js	5.71 kB
build/vendors--cart-blocks/line-items--checkout-blocks/order-summary-frontend.js	3.14 kB
build/vendors--cart-blocks/order-summary--checkout-blocks/billing-address--checkout-blocks/order-summary---eb4d2cec-frontend.js	5.02 kB
build/wc-blocks-data.js	8.84 kB
build/wc-blocks-editor-style-rtl.css	15.8 kB
build/wc-blocks-editor-style.css	15.8 kB
build/wc-blocks-google-analytics.js	1.56 kB
build/wc-blocks-middleware.js	949 B
build/wc-blocks-registry.js	2.69 kB
build/wc-blocks-shared-context.js	1.51 kB
build/wc-blocks-shared-hocs.js	1.14 kB
build/wc-blocks-style-rtl.css	21.1 kB
build/wc-blocks-style.css	21.1 kB
build/wc-blocks-vendors-style-rtl.css	1.37 kB
build/wc-blocks-vendors-style.css	1.37 kB
build/wc-blocks-vendors.js	255 kB
build/wc-blocks.js	2.95 kB
build/wc-payment-method-bacs.js	820 B
build/wc-payment-method-cheque.js	816 B
build/wc-payment-method-cod.js	912 B
build/wc-payment-method-paypal.js	838 B
build/wc-payment-method-stripe.js	10.9 kB
build/wc-settings.js	2.58 kB

_{compressed-size-action}

[nielslange]

Thanks for your review, @mikejolley! 🙌