Mining Drone Stuff (#10739)

Mining drones now come equipped with an RFD-M, a tethering device, and a stack of purple flags.
    Mining drones can now bump against doors to open them.
    Mining drones now have external airlock access.
    You can now click-drag with the RFD-M to lay down track.
    The charge cost for robots using the RFD-M has been lowered to 200, down from 500.
    Mining drones no longer appear as a unique role on the round join menu.
    Mining drone lights are now much brighter, and illuminate in a circle around the drone.

code/controllers/subsystems/initialization/atoms.dm

@@ -13,6 +13,8 @@ var/datum/controller/subsystem/atoms/SSatoms
 	var/initialized = INITIALIZATION_INSSATOMS
 	var/old_initialized
 
+	var/list/late_misc_firers // this is a list of things that fire when late misc init is called
+
 	var/list/late_loaders
 	var/list/created_atoms
 	var/list/late_qdel

code/controllers/subsystems/initialization/misc_late.dm

@@ -37,8 +37,14 @@
 	populate_code_phrases()
 
 	// this covers mapped in drone fabs
-	for(var/obj/machinery/drone_fabricator/DF in SSmachinery.all_machines)
-		DF.enable_drone_spawn()
+	for(var/thing in SSatoms.late_misc_firers)
+		if(istype(thing, /obj/machinery/drone_fabricator))
+			var/obj/machinery/drone_fabricator/DF = thing
+			DF.enable_drone_spawn()
+		else if(istype(thing, /mob/living/silicon/robot/drone/mining))
+			var/mob/living/silicon/robot/drone/mining/MD = thing
+			MD.request_player()
+		LAZYREMOVE(SSatoms.late_misc_firers, thing)
 
 	if (config.use_forumuser_api)
 		update_admins_from_api(TRUE)