feat(medusa): Configurable returnable_items on order decorate totals (#3276)

integration-tests/api/__tests__/admin/swaps.js

@@ -301,7 +301,7 @@ describe("/admin/swaps", () => {
 
         // ********* CREATE SWAP *********
         const createSwap = await api.post(
-          `/admin/orders/${completedOrder.data.data.id}/swaps`,
+          `/admin/orders/${completedOrder.data.data.id}/swaps?fields=returnable_items`,
           {
             return_items: [
               {
@@ -318,6 +318,13 @@ describe("/admin/swaps", () => {
           }
         )
 
+        expect(createSwap.data.order.returnable_items).toHaveLength(1)
+        expect(createSwap.data.order.returnable_items[0]).toEqual(
+          expect.objectContaining({
+            id: "line-item",
+          })
+        )
+
         let swap = createSwap.data.order.swaps[0]
 
         // ********* PREPARE SWAP CART *********
@@ -349,7 +356,7 @@ describe("/admin/swaps", () => {
           {}
         )
 
-        // ********* VALIDATE *********
+        // ********* VALIDATE  *********
         expect(swap.data.swap.difference_due).toBe(swapCart.data.cart.total)
       })
     })