wifi: mac80211: cancel multi-link reconf work on disconnect

This work shouldn't run after we're disconnecting. Cancel it earlier
(and then don't cancel it in stop later.)

Fixes: 8eb8dd2f ("wifi: mac80211: Support link removal using Reconfiguration ML element")
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506211034.ac754794279f.Ib9fbb1dab50c6b67f6de9be09a6c452ce89bbd50@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>