SECRETS: Search by the right type when checking containers
We've been searching for the wrong type ("simple") in
local_db_check_containers(), which always gives us a NULL result.
Let's introduce the new LOCAL_CONTAINER_FILTER and do the search for the
right type ("container") from now on.
Resolves:
https://fedorahosted.org/sssd/ticket/3137
Signed-off-by: Fabiano FidĂȘncio <fidencio@redhat.com>
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>