wifi: mac80211: don't unconditionally call drv_mgd_complete_tx()

wifi: mac80211: don't unconditionally call drv_mgd_complete_tx()

We might not have called drv_mgd_prepare_tx(), so only call
drv_mgd_complete_tx() under the same conditions.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250205110958.e091fc39a351.Ie6a3cdca070612a0aa4b3c6914ab9ed602d1f456@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>