Always return {atom, _} from try_send_confirmation

lib/pleroma/user.ex

@@ -270,7 +270,7 @@ defmodule Pleroma.User do
     with {:ok, user} <- Repo.insert(changeset),
          {:ok, user} <- autofollow_users(user),
          {:ok, _} <- Pleroma.User.WelcomeMessage.post_welcome_message_to_user(user),
-         :ok <- try_send_confirmation_email(user) do
+         {:ok, _} <- try_send_confirmation_email(user) do
       {:ok, user}
     end
   end
@@ -281,6 +281,8 @@ defmodule Pleroma.User do
       user
       |> Pleroma.Emails.UserEmail.account_confirmation_email()
       |> Pleroma.Emails.Mailer.deliver_async()
+
+      {:ok, :enqueued}
     else
       {:ok, :noop}
     end