keeps headers responsive after batch links have been used

src/pfwbged/collection/pfwbcollection.js

@@ -126,6 +126,7 @@
              $.querywidget.updateBatchLinks(query);
              $.querywidget.updateBatchSizeMenu();
              $.querywidget.updateExtraColumnsMenu();
+             $.querywidget.updateTableHeaders();
            });
            return false;
         });