server-tools/attachment_synchronize/security/ir.model.access.csv

1	id	name	model_id:id	group_id:id	perm_read	perm_write	perm_create	perm_unlink
2	access_storage_backend_task_manager	storage.backend.task.manager	model_storage_backend_task	base.group_system	1	1	1	1