Implement waiter ordering and improvements

app/controllers/user_controller.rb

@@ -286,12 +286,12 @@ class UserController < ApplicationController
     respond_to do |format|
       format.html do
         redirect_to(user_root_path, alert: t('messages.cannot_order_on_non_active_list')) and return unless @list.active?
-        @list.place_order current_user, params[:products]
+        @list.place_order params[:products], user: current_user
         redirect_to user_root_path, notice: t('messages.order_is_placed')
       end
       format.json do
         render json: json_alert('messages.cannot_order_on_non_active_list') and return unless @list.active?
-        @list.place_order current_user, params[:products]
+        @list.place_order params[:products], user: current_user
         render json:  json_notice('messages.order_is_placed', location: :active_list)
       end
     end