Fix log spamming for shares without label

Fixes #49682

Signed-off-by: Dennis1993 <[email protected]>

apps/files_sharing/lib/DefaultPublicShareTemplateProvider.php

@@ -132,7 +132,7 @@ public function renderPage(IShare $share, string $token, string $path): Template
 		$response->setContentSecurityPolicy($csp);
 
 		// If the share has a label, use it as the title
-		if ($share->getLabel() !== '') {
+		if (!empty($share->getLabel())) {
 			$response->setHeaderTitle($share->getLabel());
 			$response->setParams(['pageTitle' => $share->getLabel()]);
 		} else {