Ports TG Icemoon framework and map (#49680) (#12002)

* ports all the tg junk for icemoon, not yet changed to make it all compile

* fixes

* fixes

* fixes

* fixes

* fixes

* new stuff

* whew

* fixes

* it compiles, now to fix the maps

* fixes the maps

* fixes solars + removes the space tiles in the toxins burn chamber

* nukes the SpawnTerrain proc used for tg geysers

* linter fix

* fix

* fixes the non matching turf atmos (hopefully)

* more mapping fixes

* dmm2tgm

* unfucks changeturf for the more_caves

* fixes the volanic subtypes of the other thing

* fixes the stupid fucking tile placing list

* some map fixes, fixes the station_ruin loader shitting out errors this commit took 2 hours of my fucking life

* fixes a bunch of mismatch atmos in ruins

* fixes wendigo cave having no air

* backwards couch backwards couch

* fixes the SM up

* wendigos can't runtime when butchering if you can't butcher them 😎

* makes the wendigo fight have the same atmos as the surrounding icemoon

* Tweaks atmos mixture from o2=22;n2=82;TEMP=180 to o2=18;n2=63;TEMP=180, making lavaland weapons actually work

* makes the wendigo screech shake not completely aids

* fixes snowlegion portals dropping proper legions instead of skeles

* brings the engioutpost ruin over as well

* whoopps

* empty commit to reroll bots

* Fixes pirates, ops, the mining base, and gives pirates and ops drills

* fixes lone ops and ninjas

* fixes the snowed plating getting fucked when tiles are placed on it

* removes some OP junk from the wabbajack pool (aka removes non-antag headslugs again)

* more bug fixes

* empty commit to reroll bots

* hopefully finally kills the active turfs on the library ruin

Co-authored-by: kevinz000 <2003111+kevinz000@users.noreply.github.com>

code/game/objects/effects/landmarks.dm

@@ -313,6 +313,11 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark/start/new_player)
 	name = "carpspawn"
 	icon_state = "carp_spawn"
 
+// lone op (optional)
+/obj/effect/landmark/loneopspawn
+	name = "loneop+ninjaspawn"
+	icon_state = "snukeop_spawn"
+
 // observer-start.
 /obj/effect/landmark/observer_start
 	name = "Observer-Start"
@@ -512,3 +517,9 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark/start/new_player)
 /obj/effect/landmark/stationroom/lavaland/station
 	templates = list("Public Mining Base" = 3)
 	icon = 'icons/rooms/Lavaland/Mining.dmi'
+
+// handled in portals.dm, id connected to one-way portal
+/obj/effect/landmark/portal_exit
+	name = "portal exit"
+	icon_state = "portal_exit"
+	var/id