Fixes some heartbeat things we didn't do (tgstation#82327)

## About The Pull Request

The things discussed in the comments of tgstation#82305 were not done before it
was merged. Hindsight is 20/20, shoulda drafted it

## Changelog

:cl: Melbret
fix: Revival Surgery, Strange Reagent, and the Reviver Implant will
restart your heart when you are revived
/:cl:

code/modules/mob/living/carbon/carbon.dm

@@ -926,6 +926,10 @@
 
 	return ..()
 
+/mob/living/carbon/do_strange_reagent_revival(healing_amount)
+	set_heartattack(FALSE)
+	return ..()
+
 /mob/living/carbon/can_be_revived()
 	if(!get_organ_by_type(/obj/item/organ/internal/brain) && (!IS_CHANGELING(src)) || HAS_TRAIT(src, TRAIT_HUSK))
 		return FALSE

code/modules/surgery/organs/internal/cyberimp/augments_chest.dm

@@ -123,6 +123,7 @@
 	owner.visible_message(span_warning("[owner]'s body convulses a bit."))
 	playsound(owner, SFX_BODYFALL, 50, TRUE)
 	playsound(owner, 'sound/machines/defib_zap.ogg', 75, TRUE, -1)
+	owner.set_heartattack(FALSE)
 	owner.revive()
 	owner.emote("gasp")
 	owner.set_jitter_if_lower(200 SECONDS)

code/modules/surgery/revival.dm

@@ -94,6 +94,9 @@
 	target.grab_ghost()
 	target.adjustOxyLoss(-50, 0)
 	target.updatehealth()
+	if(iscarbon(target))
+		var/mob/living/carbon/carbon_target = target
+		carbon_target.set_heartattack(FALSE)
 	if(target.revive())
 		on_revived(user, target)
 		return TRUE