fix(core-flows, link-modules): return fulfillment creation (#12227)

* fix: return fulfillment creation

* chore: changeset

* fix: link

* fix: cancel claim flow

* chore: test fulfillment creation as a part of return lifecycle test

* fix: exchanges cancle flow

---------

Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

integration-tests/http/__tests__/claims/claims.spec.ts

@@ -762,14 +762,39 @@ medusaIntegrationTestRunner({
         })
 
         it("should go through cancel flow successfully", async () => {
-          await api.post(`/admin/claims/${claimId}/cancel`, {}, adminHeaders)
-
-          const [claim] = (
+          // fetch claim to get return id
+          let claim = (
             await api.get(
-              `/admin/claims?fields=*claim_items,*additional_items`,
+              `/admin/claims/${claimId}?fields=return_id`,
               adminHeaders
             )
-          ).data.claims
+          ).data.claim
+
+          // fetch return and fulfillment
+          const return_ = (
+            await api.get(
+              `/admin/returns/${claim.return_id}?fields=fulfillments.id`,
+              adminHeaders
+            )
+          ).data.return
+
+          /**
+           * Claim cannot be canceled unless all fulfillments are not canceled
+           */
+          await api.post(
+            `/admin/fulfillments/${return_.fulfillments[0].id}/cancel`,
+            {},
+            adminHeaders
+          )
+
+          await api.post(`/admin/claims/${claimId}/cancel`, {}, adminHeaders)
+
+          claim = (
+            await api.get(
+              `/admin/claims/${claimId}?fields=*claim_items,*additional_items`,
+              adminHeaders
+            )
+          ).data.claim
 
           expect(claim.canceled_at).toBeDefined()