Fix some Flockdrone healing bugs

code/datums/abilities/flock/flockmind.dm

@@ -202,6 +202,8 @@
  if (target.get_health_percentage() >= 1)
  boutput(holder.owner, "<span class='notice'>[target.real_name] has no damage!</span>")
  return TRUE
+ if (isdead(target))
+ return TRUE
 
  playsound(holder.owner, "sound/misc/flockmind/flockmind_cast.ogg", 80, 1)
  boutput(holder.owner, "<span class='notice'>You focus the flock's efforts on fixing [target.real_name]</span>")

code/mob/living/critter/flock/flockdrone.dm

@@ -498,8 +498,10 @@
 // also maybe we've just had environmental damage, who knows
 /mob/living/critter/flock/drone/TakeDamage(zone, brute, burn, tox, damage_type, disallow_limb_loss)
  ..()
- var/prev_damaged = src.damaged
  src.check_health()
+ if (brute <= 0 && burn <= 0 && tox <= 0)
+ return
+ var/prev_damaged = src.damaged
  if(!isdead(src) && src.is_npc)
  // if we've been damaged a new stage, call it out
  if(prev_damaged != src.damaged && src.damaged > 0)
@@ -843,6 +845,8 @@
  if(F.get_health_percentage() >= 1.0)
  boutput(user, "<span class='alert'>They don't need to be repaired, they're in perfect condition.</span>")
  return
+ if (isdead(F))
+ return
  if(user.resources < 10)
  boutput(user, "<span class='alert'>Not enough resources to repair (you need 10).</span>")
  else

code/mob/living/critter/flockcritter_parent.dm

@@ -391,6 +391,8 @@
  D.icon_state = "door1"//make it not look broke
  else
  T.HealDamage("All", T.health_brute / 3, T.health_burn / 3)
+ if (T.is_npc)
+ T.ai.interrupt()
  F.pay_resources(10)
 
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