Fix pagination issue

hyrax/app/presenters/hyrax/crc_dataset_presenter.rb

@@ -30,7 +30,7 @@ module Hyrax
       experiment_file_sets = (subject_query.present? || session_query.present? || modality_query.present?) ? [] : experiment.file_sets_fast_load_metadata
       child_subjects = complex_subjects.sort_by_title(experiment.source.first)
 
-      members = Kaminari.paginate_array(experiment_file_sets + child_subjects).page(options[:page] || 1).per(options[:per_pag])
+      members = Kaminari.paginate_array(experiment_file_sets + child_subjects).page(options[:page] || 1).per(options[:per_page] || 10)
 
       # get children
       all_children['experiment'][id] = gather_children(members)