fix(core-flows): Fix line item ids passed to deleteReservationsByLineItemsStep (#11465)

.changeset/wet-lobsters-relate.md

@@ -0,0 +1,5 @@
+---
+"@medusajs/core-flows": patch
+---
+
+fix(core-flows): Fix line item ids passed to deleteReservationsByLineItemsStep

packages/core/core-flows/src/order/workflows/order-edit/confirm-order-edit-request.ts

@@ -198,7 +198,7 @@ export const confirmOrderEditRequestWorkflow = createWorkflow(
           ({ id }) => id
         ) // items that have been removed with the change
         const newItemIds = data.orderItems.items.map(({ id }) => id)
-        return [...new Set([...previousItemIds, newItemIds])]
+        return [...new Set([...previousItemIds, ...newItemIds])]
       }
     )