[BUGFIX] Fix possible crash with the preview renderer

Classes/Preview/PreviewRenderer.php

@@ -73,20 +73,21 @@ class PreviewRenderer implements PreviewRendererInterface {
 		switch ($row['list_type']) {
 			case 'sgjobs_jobapplication':
 				$view = $this->previewService->getApplicationView($row);
-				break;
+				return $view->render();
 
 			case 'sgjobs_joblist':
 				$view = $this->previewService->getJoblistView($row);
-				break;
+				return $view->render();
 
 			case 'sgjobs_jobteaser':
 				$view = $this->previewService->getTeaserView($row);
-				break;
+				return $view->render();
 
 			default:
 				// No need to do anything
 		}
-		return $view->render();
+
+		return '';
 	}
 
 	/**