Merge pull request #2 from CirrusMD/cb/fix-autoload-deprecations

Fix Rails 6 autoloading on initialize warnings

Author: corytheboyd-cirrusmd

lib/adminsimple/rails/engine.rb

@@ -5,10 +5,13 @@ class Engine < ::Rails::Engine
     engine_name 'adminsimple'
 
     initializer "adminsimple.view_helpers" do
+
       ActiveSupport.on_load :action_view do
-        ActionView::Base.send :include, Adminsimple::ViewHelpers
-        ActionView::Base.send :include, Adminsimple::Modules::WidgetBoxHelpers
-        ActionView::Base.send :include, Adminsimple::Modules::PageHeaderHelpers
+        Rails.application.reloader.to_prepare do
+          ActionView::Base.send :include, Adminsimple::ViewHelpers
+          ActionView::Base.send :include, Adminsimple::Modules::WidgetBoxHelpers
+          ActionView::Base.send :include, Adminsimple::Modules::PageHeaderHelpers
+        end
       end
     end