Feat(medusa, user, core-flows): User creation with invites (#6413)

**What**
- add accept invite endpoint 

**Invite accept flow**
- authenticate using the auth endpoint to create and auth-user
- invoke accept endpoint with token and info to create user

integration-tests/plugins/__tests__/invites/create-invite.spec.ts

@@ -5,6 +5,7 @@ import { startBootstrapApp } from "../../../environment-helpers/bootstrap-app"
 import { useApi } from "../../../environment-helpers/use-api"
 import adminSeeder from "../../../helpers/admin-seeder"
 import { AxiosInstance } from "axios"
+import { createAdminUser } from "../../helpers/create-admin-user"
 
 jest.setTimeout(50000)
 
@@ -24,7 +25,7 @@ describe("POST /admin/invites", () => {
   })
 
   beforeEach(async () => {
-    await adminSeeder(dbConnection)
+    await createAdminUser(dbConnection, adminHeaders)
   })
 
   afterAll(async () => {

integration-tests/plugins/__tests__/invites/delete-invite.spec.ts

@@ -8,6 +8,7 @@ import { startBootstrapApp } from "../../../environment-helpers/bootstrap-app"
 import { useApi } from "../../../environment-helpers/use-api"
 import adminSeeder from "../../../helpers/admin-seeder"
 import { AxiosInstance } from "axios"
+import { createAdminUser } from "../../helpers/create-admin-user"
 
 jest.setTimeout(50000)
 
@@ -31,7 +32,7 @@ describe("DELETE /admin/invites/:id", () => {
   })
 
   beforeEach(async () => {
-    await adminSeeder(dbConnection)
+    await createAdminUser(dbConnection, adminHeaders)
   })
 
   afterAll(async () => {

integration-tests/plugins/__tests__/invites/list-invites.spec.ts

@@ -8,6 +8,7 @@ import { startBootstrapApp } from "../../../environment-helpers/bootstrap-app"
 import { useApi } from "../../../environment-helpers/use-api"
 import adminSeeder from "../../../helpers/admin-seeder"
 import { AxiosInstance } from "axios"
+import { createAdminUser } from "../../helpers/create-admin-user"
 
 jest.setTimeout(50000)
 
@@ -31,7 +32,7 @@ describe("GET /admin/invites", () => {
   })
 
   beforeEach(async () => {
-    await adminSeeder(dbConnection)
+    await createAdminUser(dbConnection, adminHeaders)
   })
 
   afterAll(async () => {

integration-tests/plugins/__tests__/invites/retrieve-invite.spec.ts

@@ -1,13 +1,13 @@
 import { initDb, useDb } from "../../../environment-helpers/use-db"
 
-import { IUserModuleService } from "@medusajs/types"
+import { IAuthModuleService, IUserModuleService } from "@medusajs/types"
 import { ModuleRegistrationName } from "@medusajs/modules-sdk"
 import { getContainer } from "../../../environment-helpers/use-container"
 import path from "path"
 import { startBootstrapApp } from "../../../environment-helpers/bootstrap-app"
 import { useApi } from "../../../environment-helpers/use-api"
-import adminSeeder from "../../../helpers/admin-seeder"
 import { AxiosInstance } from "axios"
+import { createAdminUser } from "../../helpers/create-admin-user"
 
 jest.setTimeout(50000)
 
@@ -31,7 +31,7 @@ describe("GET /admin/invites/:id", () => {
   })
 
   beforeEach(async () => {
-    await adminSeeder(dbConnection)
+    await createAdminUser(dbConnection, adminHeaders)
   })
 
   afterAll(async () => {
@@ -48,8 +48,6 @@ describe("GET /admin/invites/:id", () => {
   it("should retrieve a single invite", async () => {
     const invite = await userModuleService.createInvites({
       email: "potential_member@test.com",
-      token: "test",
-      expires_at: new Date(),
     })
 
     const api = useApi()! as AxiosInstance