fix: access role from membership association in create_test_user script

Organizations have memberships with roles, not direct role attribute

e2e/scripts/create_test_user.exs

@@ -98,7 +98,9 @@ case Accounts.get_user_by_email(email) do
     orgs =
       user.id
       |> Organizations.list_user_organizations()
-      |> Enum.filter(&(&1.role == :owner))
+      |> Enum.filter(fn org ->
+        Enum.any?(org.memberships, &(&1.role == :owner))
+      end)
 
     if Enum.empty?(orgs) do
       IO.puts("\n[WARN] User has no organizations")