Workaround for devise sign in when using flash responder

gistfile1.rb

# initializer to use when config.responders.flash_keys = [ :success, :error ]

module Responders
  module FlashResponder

    alias_method :original_set_flash_message?, :set_flash_message? 
    
    private

    def set_flash_message? 
      original_set_flash_message? && !new_devise_session?
    end

    def new_devise_session?
      request[:controller].eql?("devise/sessions") && request[:action].eql?("create") 
    end
  end
end