After FollowService, re-fetch remote account asynchronously, do nothing

if account lock info was up to date, otherwise re-do the FollowService
with now updated information

app/workers/after_remote_follow_worker.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class AfterRemoteFollowWorker
+  include Sidekiq::Worker
+
+  sidekiq_options retry: 5
+
+  def perform(follow_id)
+    follow          = Follow.find(follow_id)
+    updated_account = FetchRemoteAccountService.new.call(follow.target_account.remote_url)
+
+    return unless updated_account.locked?
+
+    follow.destroy
+    FollowService.new.call(follow.account, updated_account.acct)
+  end
+end