ashstorm mmi fix (#17065)

code/modules/mob/living/carbon/brain/MMI.dm

@@ -287,5 +287,16 @@
 	return user.shared_living_ui_distance()
 
 /obj/item/mmi/forceMove(atom/destination)
+	if(!brainmob)
+		return ..()
+
+	var/atom/old_loc = loc
+	if(issilicon(old_loc) && !issilicon(destination))
+		var/mob/living/silicon/S = old_loc
+		brainmob.weather_immunities -= S.weather_immunities
+	else if(issilicon(destination))
+		var/mob/living/silicon/S = destination
+		brainmob.weather_immunities |= S.weather_immunities
+
 	. = ..()
-	brainmob?.update_runechat_msg_location()
+	brainmob.update_runechat_msg_location()

code/modules/mob/living/silicon/robot/robot.dm

@@ -277,7 +277,8 @@ GLOBAL_LIST_INIT(robot_verbs_default, list(
 	SStgui.close_uis(wires)
 	if(mmi && mind)//Safety for when a cyborg gets dust()ed. Or there is no MMI inside.
 		var/turf/T = get_turf(loc)//To hopefully prevent run time errors.
-		if(T)	mmi.loc = T
+		if(T)
+			mmi.forceMove(T)
 		if(mmi.brainmob)
 			mind.transfer_to(mmi.brainmob)
 			mmi.update_icon()