ISTWCMS-4947: fixing undefined index error a better way

src/Service/UWService.php

@@ -316,12 +316,7 @@ class UWService implements UWServiceInterface {
             break;
 
           case 'address':
-            if ($node->$data->getValue()) {
-              $node_data['address'] = $node->$data->getValue()[0];
-            }
-            else {
-              $node_data['address'] = NULL;
-            }
+            $node_data['address'] = $node->$data->value;
             break;
 
           case 'author':