now works for images too

lib/modules/apostrophe-pieces/public/js/manager-modal.js

@@ -651,7 +651,7 @@ apos.define('apostrophe-pieces-manager-modal', {
         // If shift key is pressed and the checkbox is not checked.
         if (e.shiftKey && !box.checked) {
           // Get the siblings for the checkboxes that are being checked.
-          var $checkboxesInScope = $(box).closest('tbody').find('input') || [];
+          var $checkboxesInScope = $(box).closest('[data-items]').find('input') || [];
           // Get the Index of the currently selected checkbox. (The one checked with holiding shift)
           var startIndex = $checkboxesInScope.index(box);
           // Get the index of the previously selected checkbox.