fix: also use optimized getFirstNodeyIdInPath for Folder::getFirstNod…

…eById

Signed-off-by: Robin Appelman <robin@icewind.nl>

lib/private/Files/Node/Folder.php

@@ -314,7 +314,7 @@ public function getById($id) {
 	}
 
 	public function getFirstNodeById(int $id): ?\OCP\Files\Node {
-		return current($this->getById($id)) ?: null;
+		return $this->root->getFirstNodeByIdInPath($id, $this->getPath());
 	}
 
 	protected function getAppDataDirectoryName(): string {