Add cart ID + version to key to invalidate cart on currency change

Author: bookernath

core/app/[locale]/(default)/cart/page-data.ts

@@ -134,6 +134,7 @@ const CartPageQuery = graphql(
       site {
         cart(entityId: $cartId) {
           entityId
+          version
           currencyCode
           lineItems {
             physicalItems {

core/app/[locale]/(default)/cart/page.tsx

@@ -98,6 +98,7 @@ export default async function Cart() {
           cta: { label: t('Empty.cta'), href: '/shop-all' },
         }}
         incrementLineItemLabel={t('increment')}
+        key={`${cart.entityId}-${cart.version}`}
         lineItemAction={updateLineItem}
         lineItems={formattedLineItems}
         summary={{