Merge pull request #4077 from node-red-hitachi/support-editablelist-cnacel

add cancel operation to editableList

packages/node_modules/@node-red/editor-client/src/js/ui/common/editableList.js

@@ -417,6 +417,9 @@
             } else {
                 return null;
             }
+        },
+        cancel: function() {
+            this.element.sortable("cancel");
         }
     });
 })(jQuery);