Web Pixels API: `event.data.checkout.subtotalPrice.amount` value change on the new `/thank-you` page and checkout events

The event.data.checkout.subtotalPrice.amount value in the Web Pixels API has been updated.


This is a companion discussion topic for the original entry at https://shopify.dev/changelog/web-pixels-api-eventdatacheckoutsubtotalpriceamount-value-change-on-the-new-thank-you-page-and-checkout-events