Do not forcibly add middlewares, let users add them instead if required middlewares are missing
Do not forcibly add middlewares, let users add them instead if required middlewares are missing

Refs. #3048, #3006, #2919

sferik/rails_admin,engel/rails_admin,allori/rails_admin,dalpo/rails_admin,widgetworks/rails_admin,engel/rails_admin,dalpo/rails_admin,jasnow/rails_admin,vincentwoo/rails_admin,widgetworks/rails_admin,zambot/rails_admin,jasnow/rails_admin,sferik/rails_admin,allori/rails_admin,soupmatt/rails_admin,vincentwoo/rails_admin,sferik/rails_admin,jasnow/rails_admin,aliada-mx/rails_admin,aliada-mx/rails_admin,zambot/rails_admin,engel/rails_admin,aliada-mx/rails_admin,allori/rails_admin,soupmatt/rails_admin,dalpo/rails_admin,vincentwoo/rails_admin,soupmatt/rails_admin,widgetworks/rails_admin,zambot/rails_admin