feat: Plug tax inclusivity in cart and order workflows (#8013)

packages/medusa/src/api/store/carts/query-config.ts

@@ -51,6 +51,7 @@ export const defaultStoreCartFields = [
   "items.title",
   "items.quantity",
   "items.unit_price",
+  "items.is_tax_inclusive",
   "items.tax_lines.id",
   "items.tax_lines.description",
   "items.tax_lines.code",
@@ -69,6 +70,7 @@ export const defaultStoreCartFields = [
   "shipping_methods.tax_lines.rate",
   "shipping_methods.tax_lines.provider_id",
   "shipping_methods.amount",
+  "shipping_methods.is_tax_inclusive",
   "shipping_methods.adjustments.id",
   "shipping_methods.adjustments.code",
   "shipping_methods.adjustments.amount",