fix(core-flows): refresh payment collection inside updateCartPromotionsWorkflow (patch) (#14274)

* Refresh payment collection after cart promotion update

* Add missing test

* Add changeset

* Update changeset

* Add force_refresh_payment_collection to updateCartPromotionsWorkflow to conditionally refresh payment collection

* Prevent refreshing payment collection multiple times

* Fix test

* Formatting and unused vars

* Force refresh payment collection on dedicated store cart promotion endpoints

---------

Co-authored-by: Adrien de Peretti <adrien.deperetti@gmail.com>
Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

packages/medusa/src/api/store/carts/[id]/promotions/route.ts

@@ -19,6 +19,7 @@ export const POST = async (
         payload.promo_codes.length > 0
           ? PromotionActions.ADD
           : PromotionActions.REPLACE,
+      force_refresh_payment_collection: true,
     },
   })
 
@@ -48,6 +49,7 @@ export const DELETE = async (
       promo_codes: payload.promo_codes,
       cart_id: req.params.id,
       action: PromotionActions.REMOVE,
+      force_refresh_payment_collection: true,
     },
   })