Refactor hardcoded suit sensor defines (#69164)

* Refactor suit sensor defines

* Add suit sensor define to HoS suit

* Fix sensor_mode define to be accurate

code/modules/clothing/under/_under.dm

@@ -131,7 +131,7 @@
 
 /mob/living/carbon/human/proc/update_sensor_list()
 	var/obj/item/clothing/under/U = w_uniform
-	if(istype(U) && U.has_sensor > 0 && U.sensor_mode)
+	if(istype(U) && U.has_sensor > NO_SENSORS && U.sensor_mode)
 		GLOB.suit_sensors_list |= src
 	else
 		GLOB.suit_sensors_list -= src
@@ -255,13 +255,13 @@
 	sensor_mode = modes.Find(switchMode) - 1
 	if (loc == usr)
 		switch(sensor_mode)
-			if(0)
+			if(SENSOR_OFF)
 				to_chat(usr, span_notice("You disable your suit's remote sensing equipment."))
-			if(1)
+			if(SENSOR_LIVING)
 				to_chat(usr, span_notice("Your suit will now only report whether you are alive or dead."))
-			if(2)
+			if(SENSOR_VITALS)
 				to_chat(usr, span_notice("Your suit will now only report your exact vital lifesigns."))
-			if(3)
+			if(SENSOR_COORDS)
 				to_chat(usr, span_notice("Your suit will now report your exact vital lifesigns as well as your coordinate position."))
 
 	if(ishuman(loc))

code/modules/clothing/under/jobs/Plasmaman/command.dm

@@ -19,7 +19,7 @@
 	icon_state = "hos_envirosuit"
 	inhand_icon_state = "hos_envirosuit"
 	armor = list(MELEE = 10, BULLET = 0, LASER = 0, ENERGY = 0, BOMB = 0, BIO = 100, FIRE = 95, ACID = 95, WOUND = 10)
-	sensor_mode = 3
+	sensor_mode = SENSOR_COORDS
 	random_sensor = FALSE
 
 /obj/item/clothing/under/plasmaman/chief_engineer

code/modules/mob_spawn/mob_spawn.dm

@@ -260,7 +260,7 @@
 		// Or on crew monitors
 		var/obj/item/clothing/under/sensor_clothes = spawned_human.w_uniform
 		if(istype(sensor_clothes))
-			sensor_clothes.sensor_mode = NO_SENSORS
+			sensor_clothes.sensor_mode = SENSOR_OFF
 			spawned_human.update_suit_sensors()
 
 //don't use this in subtypes, just add 1000 brute yourself. that being said, this is a type that has 1000 brute. it doesn't really have a home anywhere else, it just needs to exist