More istypes replaced with helpers (#20767)

* shouldn't you be merging these by now

* my oh my do we have a lot of these

* a fellow pedantic shit

code/datums/diseases/magnitis.dm

@@ -22,7 +22,8 @@
 					if(!M.anchored && (M.flags & CONDUCT))
 						step_towards(M,affected_mob)
 				for(var/mob/living/silicon/S in orange(2,affected_mob))
-					if(istype(S, /mob/living/silicon/ai)) continue
+					if(isAI(S))
+						continue
 					step_towards(S,affected_mob)
 		if(3)
 			if(prob(2))
@@ -37,7 +38,8 @@
 						for(i=0,i<iter,i++)
 							step_towards(M,affected_mob)
 				for(var/mob/living/silicon/S in orange(4,affected_mob))
-					if(istype(S, /mob/living/silicon/ai)) continue
+					if(isAI(S))
+						continue
 					var/i
 					var/iter = rand(1,2)
 					for(i=0,i<iter,i++)
@@ -55,7 +57,8 @@
 						for(i=0,i<iter,i++)
 							step_towards(M,affected_mob)
 				for(var/mob/living/silicon/S in orange(6,affected_mob))
-					if(istype(S, /mob/living/silicon/ai)) continue
+					if(isAI(S))
+						continue
 					var/i
 					var/iter = rand(1,3)
 					for(i=0,i<iter,i++)

code/datums/mind.dm

@@ -555,7 +555,7 @@
 
 	/** SILICON ***/
 
-	if (istype(current, /mob/living/silicon))
+	if(issilicon(current))
 		text = "silicon"
 		var/mob/living/silicon/robot/robot = current
 		if (istype(robot) && robot.emagged)
@@ -1220,7 +1220,7 @@
 					log_admin("[key_name(usr)] has unemag'ed [R].")
 
 			if("unemagcyborgs")
-				if (istype(current, /mob/living/silicon/ai))
+				if(isAI(current))
 					var/mob/living/silicon/ai/ai = current
 					for (var/mob/living/silicon/robot/R in ai.connected_robots)
 						R.SetEmagged(0)

code/datums/wires/airlock.dm

@@ -18,7 +18,7 @@
 
 /datum/wires/airlock/interactable(mob/user)
 	var/obj/machinery/door/airlock/A = holder
-	if(!istype(user, /mob/living/silicon) && A.isElectrified() && A.shock(user, 100))
+	if(!issilicon(user) && A.isElectrified() && A.shock(user, 100))
 		return FALSE
 	if(A.panel_open)
 		return TRUE

code/datums/wires/vending.dm

@@ -12,7 +12,7 @@
 
 /datum/wires/vending/interactable(mob/user)
 	var/obj/machinery/vending/V = holder
-	if(!istype(user, /mob/living/silicon) && V.seconds_electrified && V.shock(user, 100))
+	if(!issilicon(user) && V.seconds_electrified && V.shock(user, 100))
 		return FALSE
 	if(V.panel_open)
 		return TRUE