feat(medusa): remove created reservations on subsequent failure for cart completion (#3554)

**What**
- If cart completion fails after creating reservations, remove those reservations

**Why**
- To avoid hanging reservations if something fails at a later point

integration-tests/api/__tests__/store/cart/__snapshots__/cart.js.snap

@@ -2,17 +2,25 @@
 
 exports[`/store/carts POST /store/carts/:id fails to complete cart with items inventory not/partially covered 1`] = `
 Object {
-  "code": "insufficient_inventory",
-  "message": "Variant with id: test-variant-2 does not have the required inventory",
-  "type": "not_allowed",
+  "errors": Array [
+    Object {
+      "code": "insufficient_inventory",
+      "message": "Variant with id: test-variant-2 does not have the required inventory",
+      "type": "not_allowed",
+    },
+  ],
 }
 `;
 
 exports[`/store/carts POST /store/carts/:id fails to complete swap cart with items inventory not/partially covered 1`] = `
 Object {
-  "code": "insufficient_inventory",
-  "message": "Variant with id: test-variant-2 does not have the required inventory",
-  "type": "not_allowed",
+  "errors": Array [
+    Object {
+      "code": "insufficient_inventory",
+      "message": "Variant with id: test-variant-2 does not have the required inventory",
+      "type": "not_allowed",
+    },
+  ],
 }
 `;
 

integration-tests/api/__tests__/store/cart/cart.js

@@ -1948,7 +1948,7 @@ describe("/store/carts", () => {
         await api.post(`/store/carts/test-cart-2/complete-cart`)
       } catch (e) {
         expect(e.response.data).toMatchSnapshot({
-          code: "insufficient_inventory",
+          errors: [{ code: "insufficient_inventory" }],
         })
         expect(e.response.status).toBe(409)
       }
@@ -1984,7 +1984,7 @@ describe("/store/carts", () => {
         await api.post(`/store/carts/swap-cart/complete-cart`)
       } catch (e) {
         expect(e.response.data).toMatchSnapshot({
-          code: "insufficient_inventory",
+          errors: [{ code: "insufficient_inventory" }],
         })
         expect(e.response.status).toBe(409)
       }

integration-tests/api/__tests__/store/orders.js

@@ -343,8 +343,8 @@ describe("/store/carts", () => {
         })
 
       expect(responseFail.status).toEqual(409)
-      expect(responseFail.data.type).toEqual("not_allowed")
-      expect(responseFail.data.code).toEqual(
+      expect(responseFail.data.errors[0].type).toEqual("not_allowed")
+      expect(responseFail.data.errors[0].code).toEqual(
         MedusaError.Codes.INSUFFICIENT_INVENTORY
       )