fix: normalize path before consuming it while loading models (#8194)

* fix: normalize path before consuming it while loading models

* Make it so that models derived from the service if present

* fix linkable tests that now match what has been passed to the medusa service if there is no custom joiner config

* fix linkable tests that now match what has been passed to the medusa service if there is no custom joiner config

* fix linkable tests that now match what has been passed to the medusa service if there is no custom joiner config

packages/modules/user/integration-tests/__tests__/user.spec.ts

@@ -33,21 +33,13 @@ moduleIntegrationTestRunner<IUserModuleService>({
         service: UserModuleService,
       }).linkable
 
-      expect(Object.keys(linkable)).toEqual(["invite", "user"])
+      expect(Object.keys(linkable)).toEqual(["user", "invite"])
 
       Object.keys(linkable).forEach((key) => {
         delete linkable[key].toJSON
       })
 
       expect(linkable).toEqual({
-        invite: {
-          id: {
-            linkable: "invite_id",
-            primaryKey: "id",
-            serviceName: "user",
-            field: "invite",
-          },
-        },
         user: {
           id: {
             linkable: "user_id",
@@ -56,6 +48,14 @@ moduleIntegrationTestRunner<IUserModuleService>({
             field: "user",
           },
         },
+        invite: {
+          id: {
+            linkable: "invite_id",
+            primaryKey: "id",
+            serviceName: "user",
+            field: "invite",
+          },
+        },
       })
     })