refs #14742 MASTER

* adds hasChildren function mimicking VuFind's isCollection

module/finc/src/finc/RecordDriver/SolrDefaultFincTrait.php

@@ -75,6 +75,10 @@ trait SolrDefaultFincTrait
         */
     }
 
+    public function hasChildren() {
+        return parent::isCollection();
+    }
+
     /**
      * Get all call numbers associated with the record (empty string if none).
      *