use link field title instead of node title for bestbet results

modules/solr_site/src/Controller/RoblibSearchSolrsiteController.php

@@ -103,6 +103,10 @@ class RoblibSearchSolrsiteController extends ControllerBase {
       $output['results'][$id]['type'] = reset($type);
       $urls = $result->getField('url')->getValues();
       $output['results'][$id]['url'] = reset($urls);
+      if ($solr_type == 'BestBet') {
+        $entity = $result->getOriginalObject()->getValue();
+        $output['results'][$id]['title'] = $entity->field_link->first()->title;
+      }
       $links = $result->getField('field_link')->getValues();
       $output['results'][$id]['field_link'] = empty($links) ? '' : $links;
     }