Merge pull request #3421 from projectblacklight/nestable-init-fix

Initialize nestable form weights

Author: jcoyne

app/assets/javascripts/spotlight/spotlight.esm.js

@@ -47,6 +47,8 @@ const Module = (function() {
         nestedSortables.forEach(sortable => {
           new Sortable(sortable, { ...sortableOptions, group: group });
         });
+
+        updateWeightsAndRelationships(container);
       });
     }
   };