fix: Update auth app_metadata when deleting users + customers (#9041)

* wip

* more work

* working on stuff

* more

* fix test

* remove incorrect test

* fix test

* fix: Only allow deletion of yourself

* remove redundant tests

integration-tests/http/__tests__/auth/admin/auth.spec.ts

@@ -1,6 +1,6 @@
 import { generateResetPasswordTokenWorkflow } from "@medusajs/core-flows"
-import { medusaIntegrationTestRunner } from "medusa-test-utils"
 import jwt from "jsonwebtoken"
+import { medusaIntegrationTestRunner } from "medusa-test-utils"
 import {
   adminHeaders,
   createAdminUser,