fix: don't return deleted signers

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

lib/Db/IdentifyMethodMapper.php

@@ -125,6 +125,7 @@ public function searchByIdentifierValue(string $search, string $userId, string $
 			->join('im', 'libresign_sign_request', 'sr',
 				$qb->expr()->eq('sr.id', 'im.sign_request_id'),
 			)
+			->where($qb->expr()->neq('im.identifier_value', $qb->createNamedParameter('deleted_users')))
 			->setMaxResults($limit)
 			->setFirstResult($offset);