fix(taskprocessing): tighten lockTask guard to status = scheduled

Signed-off-by: bygadd <bygadd@gmail.com>

Author: bygadd

lib/private/TaskProcessing/Db/TaskMapper.php

@@ -227,7 +227,7 @@ public function lockTask(Entity $entity): int {
 		$qb->update($this->tableName)
 			->set('status', $qb->createPositionalParameter(\OCP\TaskProcessing\Task::STATUS_RUNNING, IQueryBuilder::PARAM_INT))
 			->where($qb->expr()->eq('id', $qb->createPositionalParameter($entity->getId(), IQueryBuilder::PARAM_INT)))
-			->andWhere($qb->expr()->neq('status', $qb->createPositionalParameter(2, IQueryBuilder::PARAM_INT)));
+			->andWhere($qb->expr()->eq('status', $qb->createPositionalParameter(\OCP\TaskProcessing\Task::STATUS_SCHEDULED, IQueryBuilder::PARAM_INT)));
 		try {
 			return $qb->executeStatement();
 		} catch (Exception) {