Update archive_files_controller.rb

fix error

app/controllers/admin/archive_files_controller.rb

@@ -50,7 +50,8 @@ class Admin::ArchiveFilesController < OrbitAdminController
     end
   end
   def categories_order
-    render :text => ModuleApp.where(:key => "archive").inspect
+    @categories = @module_app.categories
+    render :partial => "categories_order"
   end
   def create
     @archive_file = ArchiveFile.new(archive_vars)