fix(core-flows): Locations levels check in draft order and order edit flows (#12881)

* fix: Inventory check

* mend

* centralise fields

* Create few-owls-push.md

integration-tests/http/__tests__/order-edits/order-edits.spec.ts

@@ -25,6 +25,7 @@ medusaIntegrationTestRunner({
     let inventoryItem
     let inventoryItemExtra
     let location
+    let locationTwo
     let productExtra
     const shippingProviderId = "manual_test-provider"
 
@@ -553,10 +554,29 @@ medusaIntegrationTestRunner({
           )
         ).data.stock_location
 
+        locationTwo = (
+          await api.post(
+            `/admin/stock-locations`,
+            {
+              name: "Test location two",
+            },
+            adminHeaders
+          )
+        ).data.stock_location
+
         await api.post(
           `/admin/inventory-items/${inventoryItemLarge.id}/location-levels`,
           {
             location_id: location.id,
+            stocked_quantity: 0,
+          },
+          adminHeaders
+        )
+
+        await api.post(
+          `/admin/inventory-items/${inventoryItemLarge.id}/location-levels`,
+          {
+            location_id: locationTwo.id,
             stocked_quantity: 10,
           },
           adminHeaders
@@ -766,6 +786,14 @@ medusaIntegrationTestRunner({
               stock_location_id: location.id,
             },
           },
+          {
+            [Modules.SALES_CHANNEL]: {
+              sales_channel_id: salesChannel.id,
+            },
+            [Modules.STOCK_LOCATION]: {
+              stock_location_id: locationTwo.id,
+            },
+          },
         ])
       })
 
@@ -860,6 +888,60 @@ medusaIntegrationTestRunner({
           ])
         )
       })
+
+      it("should manage inventory across locations in order edit", async () => {
+        let edit = (
+          await api.post(
+            `/admin/order-edits`,
+            { order_id: order.id },
+            adminHeaders
+          )
+        ).data.order_change
+
+        // Add item
+        await api.post(
+          `/admin/order-edits/${order.id}/items`,
+          {
+            items: [
+              {
+                variant_id: product.variants.find((v) => v.title === "L shirt")
+                  .id,
+                quantity: 1,
+              },
+            ],
+          },
+          adminHeaders
+        )
+
+        edit = (
+          await api.post(
+            `/admin/order-edits/${order.id}/request`,
+            {},
+            adminHeaders
+          )
+        ).data.order_change
+
+        edit = (
+          await api.post(
+            `/admin/order-edits/${order.id}/confirm`,
+            {},
+            adminHeaders
+          )
+        ).data.order_change
+
+        order = (await api.get(`/admin/orders/${order.id}`, adminHeaders)).data
+          .order
+
+        expect(order.items.length).toBe(3)
+        expect(order.items).toEqual(
+          expect.arrayContaining([
+            expect.objectContaining({
+              subtitle: "L shirt",
+              quantity: 2,
+            }),
+          ])
+        )
+      })
     })
 
     describe("Order Edit Shipping Methods", () => {