Replaces "istype"s with is_helpers macros (#28676)

code/modules/mining/aux_base.dm

@@ -103,7 +103,7 @@ interface with the mining shuttle at the landing site if a mobile beacon is also
 	if(href_list["random"] && !possible_destinations)
 		usr.changeNext_move(CLICK_CD_RAPID) //Anti-spam
 		var/turf/LZ = safepick(Z_TURFS(ZLEVEL_MINING)) //Pick a random mining Z-level turf
-		if(!istype(LZ, /turf/closed/mineral) && !istype(LZ, /turf/open/floor/plating/asteroid))
+		if(!ismineralturf(LZ) && !istype(LZ, /turf/open/floor/plating/asteroid))
 		//Find a suitable mining turf. Reduces chance of landing in a bad area
 			to_chat(usr, "<span class='warning'>Landing zone scan failed. Please try again.</span>")
 			updateUsrDialog()

code/modules/mining/equipment/lazarus_injector.dm

@@ -18,7 +18,7 @@
 	if(!loaded)
 		return
 	if(isliving(target) && proximity_flag)
-		if(istype(target, /mob/living/simple_animal))
+		if(isanimal(target))
 			var/mob/living/simple_animal/M = target
 			if(M.sentience_type != revive_type)
 				to_chat(user, "<span class='info'>[src] does not work on this sort of creature.</span>")

code/modules/mining/equipment/survival_pod.dm

@@ -208,9 +208,7 @@
 	..(mapload, TRUE)
 
 /obj/machinery/smartfridge/survival_pod/accept_check(obj/item/O)
-	if(istype(O, /obj/item))
-		return 1
-	return 0
+	return isitem(O)
 
 /obj/machinery/smartfridge/survival_pod/Initialize(mapload, empty)
 	. = ..()

code/modules/mining/equipment/wormhole_jaunter.dm

@@ -96,7 +96,7 @@
 		if(!(istype(M, /obj/mecha) && mech_sized))
 			return
 
-	if(istype(M, /atom/movable))
+	if(ismovableatom(M))
 		if(do_teleport(M, hard_target, 6))
 			// KERPLUNK
 			playsound(M,'sound/weapons/resonator_blast.ogg',50,1)

code/modules/mining/lavaland/necropolis_chests.dm

@@ -258,7 +258,7 @@
 
 /obj/item/projectile/hook/on_hit(atom/target)
 	. = ..()
-	if(istype(target, /atom/movable))
+	if(ismovableatom(target))
 		var/atom/movable/A = target
 		if(A.anchored)
 			return