Fix missing owner

Signed-off-by: John Molakvoæ <[email protected]>

Author: skjnldsv

lib/Sabre/Album/AlbumPhoto.php

@@ -87,7 +87,7 @@ public function put($data) {
 
 	public function get() {
 		$nodes = $this->rootFolder
-			->getUserFolder($this->albumFile->getOwner() || $this->album->getUserId())
+			->getUserFolder($this->albumFile->getOwner() ?: $this->album->getUserId())
 			->getById($this->albumFile->getFileId());
 		$node = current($nodes);
 		if ($node) {
@@ -108,7 +108,7 @@ public function getFileId(): int {
 
 	public function getFileInfo(): Node {
 		$nodes = $this->rootFolder
-			->getUserFolder($this->albumFile->getOwner() ?? $this->album->getUserId())
+			->getUserFolder($this->albumFile->getOwner() ?: $this->album->getUserId())
 			->getById($this->albumFile->getFileId());
 		$node = current($nodes);
 		if ($node) {