net: sched: act_sample: add action cookie to sample

If the action has a user_cookie, pass it along to the sample so it can
be easily identified.

Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Reviewed-by: Aaron Conole <aconole@redhat.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Adrian Moreno <amorenoz@redhat.com>
Link: https://patch.msgid.link/20240704085710.353845-3-amorenoz@redhat.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>