AC-1411: Uploader has wrong dir path for sys tmp

Author: NadiyaS

lib/internal/Magento/Framework/File/Uploader.php

@@ -720,6 +720,7 @@ private function validateFileId(array $fileId): void
             if (preg_match('/\.\.(\\\|\/)/', $tmpName) !== 1) {
                 $allowedFolders = [
                     sys_get_temp_dir(),
+                    $this->directoryList->getPath(DirectoryList::SYS_TMP),
                     $this->directoryList->getPath(DirectoryList::MEDIA),
                     $this->directoryList->getPath(DirectoryList::VAR_DIR),
                     $this->directoryList->getPath(DirectoryList::TMP),