fix: prevent warning when check if array has key

Signed-off-by: Vitor Mattos <[email protected]>

lib/Service/AccountService.php

@@ -393,7 +393,7 @@ private function saveFileOfVisibleElementUsingUser(array $data, IUser $user): Fi
  }
 
  private function saveFileOfVisibleElementUsingSession(array $data, string $sessionId): File {
- if ($data['nodeId']) {
+ if (!empty($data['nodeId'])) {
  return $this->updateFileOfVisibleElementUsingSession($data, $sessionId);
  }
  return $this->createFileOfVisibleElementUsingSession($data, $sessionId);