fix patch manager
EasyCrmCase se patchne i když jsou crm cases vypnuté, protože první easy_invoice smazal if
EasyExtensions::PatchManager.register_model_patch ['EasyInvoice', 'EasyCrmCase'], 'ModificationEasysoftware::EasyReplacableTokensPatch', :if => Proc.new { Redmine::Plugin.installed?(:easy_crm) && Redmine::Plugin.installed?(:easy_invoicing) }