Fix dynamic order adding

app/controllers/users/orders_controller.rb

@@ -8,7 +8,7 @@ module Users
       @list = List.find(params[:list_id])
       render json: {}, status: :not_found and return unless @list.present? && Array.wrap(@list.user_ids).include?(current_user.id)
       orders = @list.orders.include_relation(:product_orders)
-      render json: JSONAPI::Serializer.serialize(orders, serializer: Users::OrderSerializer, include: %w[list product_orders product_orders.order], is_collection: true)
+      render json: JSONAPI::Serializer.serialize(orders, serializer: Users::OrderSerializer, include: %w[list user product_orders product_orders.order], is_collection: true)
     end
 
   end