fix: PHP 7.4 compatibility

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

Author: blizzz

apps/dav/lib/Connector/Sabre/FilesReportPlugin.php

@@ -442,7 +442,11 @@ public function findNodesByFileIds(Node $rootNode, array $fileIds): array {
 		return $results;
 	}
 
-	protected function wrapNode(\OCP\Files\File|\OCP\Files\Folder $node): File|Directory {
+	/**
+	 * @param \OCP\Files\File|\OCP\Files\Folder $node
+	 * @return File|Directory
+	 */
+	protected function wrapNode($node): \OCA\DAV\Connector\Sabre\Node {
 		if ($node instanceof \OCP\Files\File) {
 			return new File($this->fileView, $node);
 		} else {

apps/dav/tests/unit/Connector/Sabre/FilesReportPluginTest.php

@@ -66,7 +66,8 @@ class FilesReportPluginTest extends \Test\TestCase {
 	/** @var ITags|MockObject */
 	private $privateTags;
 
-	private ITagManager|MockObject $privateTagManager;
+	/** @var ITagManager|MockObject|(object&MockObject)|(ITagManager&object&MockObject)|(ITagManager&MockObject)  */
+	private $privateTagManager;
 
 	/** @var  \OCP\IUserSession */
 	private $userSession;

lib/private/Files/Cache/QuerySearchHelper.php

@@ -64,7 +64,7 @@ public function __construct(
 		LoggerInterface $logger,
 		SearchBuilder $searchBuilder,
 		QueryOptimizer $queryOptimizer,
-		IGroupManager $groupManager,
+		IGroupManager $groupManager
 	) {
 		$this->mimetypeLoader = $mimetypeLoader;
 		$this->connection = $connection;