fix: Fix psalm issue

Signed-off-by: Marcel Klehr <mklehr@gmx.net>

Author: marcelklehr

lib/Db/TreeMapper.php

@@ -1031,7 +1031,7 @@ public function countChildren(int $folderId): int {
 			->from('bookmarks_tree')
 			->where($qb->expr()->eq('parent_folder', $qb->createPositionalParameter($folderId)))
 			->andWhere($qb->expr()->isNull('soft_deleted_at'));
-		return $qb->executeQuery()->fetch(PDO::FETCH_COLUMN);
+		return (int)$qb->executeQuery()->fetch(PDO::FETCH_COLUMN);
 	}
 
 	/**

psalm-baseline.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<files psalm-version="6.14.2@bbd217fc98c0daa0a13aea2a7f119d03ba3fc9a0">
+<files psalm-version="6.16.1@f1f5de594dc76faf8784e02d3dc4716c91c6f6ac">
   <file src="lib/AppInfo/Application.php">
     <InvalidArgument>
       <code><![CDATA[UsersGroupsCirclesListener::class]]></code>
@@ -106,14 +106,10 @@
   </file>
   <file src="lib/Service/CrawlService.php">
     <UndefinedClass>
-      <code><![CDATA[Client]]></code>
-      <code><![CDATA[Response]]></code>
-      <code><![CDATA[Response]]></code>
+      <code><![CDATA[$e]]></code>
+      <code><![CDATA[$e]]></code>
+      <code><![CDATA[NoUserException]]></code>
     </UndefinedClass>
-    <UndefinedDocblockClass>
-      <code><![CDATA[$resp]]></code>
-      <code><![CDATA[$resp]]></code>
-    </UndefinedDocblockClass>
   </file>
   <file src="lib/Service/FolderService.php">
     <InvalidReturnStatement>