OM mob related tweaks

Adjusts things so that the OM mob won't lose its map_z. Also adds a 5 minute cooldown on announcements related to OM mobs

code/modules/overmap/events/event_handler.dm

@@ -80,7 +80,7 @@ GLOBAL_DATUM_INIT(overmap_event_handler, /decl/overmap_event_handler, new)
 		E.startWhen = 0
 		E.endWhen = INFINITY
 		// TODO - Leshana - Note: event.setup() is called before these are set!
-		E.affecting_z = ship.map_z
+		E.affecting_z = ship.map_z.Copy()
 		E.victim = ship
 		LAZYADD(ship_events[ship], E)
 

maps/offmap_vr/common_offmaps.dm

@@ -235,6 +235,7 @@
 /datum/map_z_level/common_lateload/redgate_destination
 	name = "Redgate Destination"
 	z = Z_LEVEL_REDGATE
+	flags = MAP_LEVEL_PLAYER|MAP_LEVEL_SEALED
 
 /datum/map_template/common_lateload/redgate/on_map_loaded(z)
 	. = ..()

maps/stellar_delight/stellar_delight_shuttle_defs.dm

@@ -256,6 +256,7 @@
 	initial_restricted_waypoints = list("Central Command Shuttlepad" = list("cc_shuttlepad"))
 
 	extra_z_levels = list(Z_LEVEL_SPACE_ROCKS)
+	var/mob_announce_cooldown = 0
 
 /////SD Starts at V3b to pick up crew refuel and repair (And to make sure it doesn't spawn on hazards)
 /obj/effect/overmap/visitable/sector/virgo3b/Initialize()
@@ -273,6 +274,11 @@
 	announce_atc(AM,going = TRUE)
 
 /obj/effect/overmap/visitable/sector/virgo3b/proc/announce_atc(var/atom/movable/AM, var/going = FALSE)
+	if(istype(AM, /obj/effect/overmap/visitable/ship/simplemob))
+		if(world.time < mob_announce_cooldown)
+			return
+		else
+			mob_announce_cooldown = world.time + 5 MINUTES
 	var/message = "Sensor contact for vessel '[AM.name]' has [going ? "left" : "entered"] ATC control area."
 	//For landables, we need to see if their shuttle is cloaked
 	if(istype(AM, /obj/effect/overmap/visitable/ship/landable))

maps/tether/tether_defines.dm

@@ -311,6 +311,7 @@
 	)
 
 	levels_for_distress = list(Z_LEVEL_OFFMAP1, Z_LEVEL_BEACH, Z_LEVEL_AEROSTAT, Z_LEVEL_DEBRISFIELD, Z_LEVEL_FUELDEPOT)
+	var/mob_announce_cooldown = 0
 
 /obj/effect/overmap/visitable/sector/virgo3b/Crossed(var/atom/movable/AM)
 	. = ..()
@@ -324,6 +325,11 @@
 	return list(Z_LEVEL_SPACE_LOW)
 
 /obj/effect/overmap/visitable/sector/virgo3b/proc/announce_atc(var/atom/movable/AM, var/going = FALSE)
+	if(istype(AM, /obj/effect/overmap/visitable/ship/simplemob))
+		if(world.time < mob_announce_cooldown)
+			return
+		else
+			mob_announce_cooldown = world.time + 5 MINUTES
 	var/message = "Sensor contact for vessel '[AM.name]' has [going ? "left" : "entered"] ATC control area."
 	//For landables, we need to see if their shuttle is cloaked
 	if(istype(AM, /obj/effect/overmap/visitable/ship/landable))