Merge pull request #641 from derhansen/develop

[TASK] Harden TemplateUtility::fluidParseString()

Author: einpraegsam

Classes/Utility/TemplateUtility.php

@@ -163,6 +163,6 @@ public static function fluidParseString(string $string, array $variables = []):
         $standaloneView = ObjectUtility::getObjectManager()->get(StandaloneView::class);
         $standaloneView->setTemplateSource($string);
         $standaloneView->assignMultiple($variables);
-        return $standaloneView->render();
+        return $standaloneView->render() ?? '';
     }
 }