use a more DRY way to build project view

app/helpers/projects_helper.rb

@@ -2,4 +2,8 @@ module ProjectsHelper
   def project_form_fields
     [:name, :email, :short_name, :offer_date, :order_date]
   end
+
+  def project_view_fields
+    [:name, :email, :short_name, :offer_date, :order_date]
+  end
 end