fixes bane backbreaker from making customers flee (tgstation#57564)

code/datums/ai/robot_customer/robot_customer_behaviors.dm

@@ -95,6 +95,9 @@
 	. = ..()
 	var/mob/living/simple_animal/robot_customer/customer_pawn = controller.pawn
 	var/datum/customer_data/customer_data = controller.blackboard[BB_CUSTOMER_CUSTOMERINFO]
+	var/mob/living/greytider = controller.blackboard[BB_CUSTOMER_CURRENT_TARGET]
+	if(greytider) //usually if we stop waiting, it's because we're done with the venue. but in this case we're beating some dude up so don't switch to leaving
+		return
 	controller.blackboard[BB_CUSTOMER_LEAVING] = TRUE
 	customer_pawn.update_icon() //They might have a special leaving accesoiry (french flag)
 	if(succeeded)