Added correct requires for monkeypatching to work

lib/open_project/reporting/engine.rb

@@ -35,6 +35,7 @@ module OpenProject::Reporting
     end
 
     config.to_prepare do
+      require_dependency 'widget/settings_patch'
       unless Redmine::Plugin.registered_plugins.include?(:openproject_reporting)
         Redmine::Plugin.register :openproject_reporting do
           name 'Reporting Plugin'

lib/widget/settings_patch.rb

@@ -1,4 +1,9 @@
+#explicitly require what will be patched to be loaded from the ReportingEngine
+require_dependency 'widget/settings'
 class Widget::Settings < Widget::Base
+  #make sure this patch gets unloaded as it does not fit
+  #the standard rails path
+  unloadable
 
   @@settings_to_render.insert -2, :cost_types