管理変更後のクライアントでの強制再読み込み

[riking (Kane York)]

If you’re in a plugin, either use refresh: true in your site_settings.yml or Discourse.request_refresh!.

https://github.com/discourse/discourse/blob/af4938baf15b4551ba8fc9727e6b9f482afd50c7/lib/discourse.rb#L572-L582