Move React::Rails::ControllerHelper include to Railtie

Author: Gabe Scholz

lib/react/rails/controller_helper.rb

@@ -16,5 +16,3 @@ def render_react_component(*args, &block)
     end
   end
 end
-
-ActionController::Base.send(:include, React::Rails::ControllerHelper) if defined?(Rails)

lib/react/rails/railtie.rb

@@ -26,6 +26,13 @@ class Railtie < ::Rails::Railtie
         end
       end
 
+      # Include the react-rails controller helper lazily
+      initializer "react_rails.setup_controller_helpers" do
+        ActiveSupport.on_load(:action_controller) do
+          include ::React::Rails::ControllerHelper
+        end
+      end
+
       # run after all initializers to allow sprockets to pick up react.js and
       # jsxtransformer.js from end-user to override ours if needed
       initializer "react_rails.setup_vendor", :after => "sprockets.environment", group: :all do |app|