refs #20378 [finc] restore focus after using of bulk-action buttons

* set origin in lightbox on target
* TODO: print button, remove data-lightbox-ignore?

themes/finc-accessibility/js/vendor/bootstrap-accessibility-de.min.js

@@ -327,4 +327,9 @@ $(document).on('keyup', '.dropdown-abort', function(e) {
             toggle.dropdown("toggle");
         }
     }
+});
+
+/* restore focus after closing of lightbox */
+$(document).on('click', '.bulkActionButtons input', function(e) {
+    VuFind.lightbox.setOrigin(e.target);
 });
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themes/finc-accessibility/js/vendor/bootstrap-accessibility-en.min.js

@@ -327,4 +327,9 @@ $(document).on('keyup', '.dropdown-abort', function(e) {
             toggle.dropdown("toggle");
         }
     }
+});
+
+/* restore focus after closing of lightbox */
+$(document).on('click', '.bulkActionButtons input', function(e) {
+    VuFind.lightbox.setOrigin(e.target);
 });
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