fix surgery cb, linter

code/modules/surgery/surgery_step.dm

@@ -81,6 +81,8 @@
 			surgery.status++
 			if(surgery.status > surgery.steps.len)
 				surgery.complete()
+		surgery.step_in_progress = FALSE
+		return advance
 
 	if(target.stat == DEAD && user.client)
 		user.client.give_award(/datum/award/achievement/misc/sandman, user)
@@ -88,7 +90,7 @@
 	surgery.step_in_progress = FALSE
 	if(repeatable)
 		return FALSE //This is how the repeatable surgery detects it shouldn't cycle
-	return advance //Stop the attack chain! - Except on repeatable steps, because otherwise we land in an infinite loop.
+	return TRUE //Stop the attack chain! - Except on repeatable steps, because otherwise we land in an infinite loop.
 
 
 /datum/surgery_step/proc/preop(mob/user, mob/living/target, target_zone, obj/item/tool, datum/surgery/surgery)