Back buttons

app/controllers/messages_controller.rb

@@ -50,6 +50,9 @@ class MessagesController < ApplicationController
   def convert
     authorize @contest
 
+    @action_name = t("helpers.buttons.back")
+    @action_path = contest_path(@contest)
+
     @message = Message.find(params[:message_id])
     @completion = Completion.new()
     @completion.display_time_from_start = @message.display_time