Fix get_sorted_and_filtered

app/controllers/application_controller.rb

@@ -230,6 +230,7 @@ class ApplicationController < ActionController::Base
   end
 
   def get_sorted_and_filtered(object_class, query = nil, objects = nil)  
+    object_class = object_class.classify.constantize
     if params[:filter] || params[:sort] || params[:new_filter]
       @filter = params[:filter]
       new_filter = params[:new_filter]
@@ -248,7 +249,6 @@ class ApplicationController < ActionController::Base
         @filter = {new_filter[:type] => [new_filter[:id].to_s]}
       end
 
-      object_class = object_class.classify.constantize
       objects ||= get_objects(object_class, query)
       unless params[:sort].blank?
         options = params[:sort_options]