Make a lot of subsystems' Initialize return ..() (#39955)

Subsystem Initialize has a return value, this makes all the subsystems actually
return it, too.

code/controllers/subsystem/air.dm

@@ -69,7 +69,7 @@ SUBSYSTEM_DEF(air)
 	setup_atmos_machinery()
 	setup_pipenets()
 	gas_reactions = init_gas_reactions()
-	..()
+	return ..()
 
 
 /datum/controller/subsystem/air/fire(resumed = 0)

code/controllers/subsystem/disease.dm

@@ -17,7 +17,7 @@ SUBSYSTEM_DEF(disease)
 	for(var/common_disease_type in all_common_diseases)
 		var/datum/disease/prototype = new common_disease_type()
 		archive_diseases[prototype.GetDiseaseID()] = prototype
-	..()
+	return ..()
 
 /datum/controller/subsystem/disease/stat_entry(msg)
 	..("P:[active_diseases.len]")

code/controllers/subsystem/events.dm

@@ -22,7 +22,7 @@ SUBSYSTEM_DEF(events)
 		control += E				//add it to the list of all events (controls)
 	reschedule()
 	getHoliday()
-	..()
+	return ..()
 
 
 /datum/controller/subsystem/events/fire(resumed = 0)

code/controllers/subsystem/icon_smooth.dm

@@ -39,4 +39,4 @@ SUBSYSTEM_DEF(icon_smooth)
 		smooth_icon(A)
 		CHECK_TICK
 
-	..()
+	return ..()

code/controllers/subsystem/job.dm

@@ -21,7 +21,7 @@ SUBSYSTEM_DEF(job)
 		LoadJobs()
 	generate_selectable_species()
 	set_overflow_role(CONFIG_GET(string/overflow_job))
-	..()
+	return ..()
 
 /datum/controller/subsystem/job/proc/set_overflow_role(new_overflow_role)
 	var/datum/job/new_overflow = GetJob(new_overflow_role)

code/controllers/subsystem/lighting.dm

@@ -22,10 +22,10 @@ SUBSYSTEM_DEF(lighting)
 
 		create_all_lighting_objects()
 		initialized = TRUE
-	
+
 	fire(FALSE, TRUE)
 
-	..()
+	return ..()
 
 /datum/controller/subsystem/lighting/fire(resumed, init_tick_checks)
 	MC_SPLIT_TICK_INIT(3)

code/controllers/subsystem/machines.dm

@@ -9,7 +9,7 @@ SUBSYSTEM_DEF(machines)
 /datum/controller/subsystem/machines/Initialize()
 	makepowernets()
 	fire()
-	..()
+	return ..()
 
 /datum/controller/subsystem/machines/proc/makepowernets()
 	for(var/datum/powernet/PN in powernets)

code/controllers/subsystem/mapping.dm

@@ -93,7 +93,7 @@ SUBSYSTEM_DEF(mapping)
 	setup_map_transitions()
 	generate_station_area_list()
 	initialize_reserved_level()
-	..()
+	return ..()
 
 /* Nuke threats, for making the blue tiles on the station go RED
    Used by the AI doomsday and the self destruct nuke.

code/controllers/subsystem/medals.dm

@@ -6,7 +6,7 @@ SUBSYSTEM_DEF(medals)
 /datum/controller/subsystem/medals/Initialize(timeofday)
 	if(CONFIG_GET(string/medal_hub_address) && CONFIG_GET(string/medal_hub_password))
 		hub_enabled = TRUE
-	..()
+	return ..()
 
 /datum/controller/subsystem/medals/proc/UnlockMedal(medal, client/player)
 	set waitfor = FALSE

code/controllers/subsystem/minimap.dm

@@ -38,7 +38,7 @@ SUBSYSTEM_DEF(minimap)
 			to_chat(world, "<span class='boldannounce'>No cached minimaps detected. Backup files loaded.</span>")
 		for(var/z in z_levels)
 			register_asset("minimap_[z].png", fcopy_rsc(map_path(z,fileloc)))
-	..()
+	return ..()
 
 /datum/controller/subsystem/minimap/proc/check_files(backup)	// If the backup argument is true, looks in the icons folder. If false looks in the data folder.
 	for(var/z in z_levels)

code/controllers/subsystem/overlays.dm

@@ -19,7 +19,7 @@ SUBSYSTEM_DEF(overlays)
 /datum/controller/subsystem/overlays/Initialize()
 	initialized = TRUE
 	fire(mc_check = FALSE)
-	..()
+	return ..()
 
 
 /datum/controller/subsystem/overlays/stat_entry()

code/controllers/subsystem/persistence.dm

@@ -28,7 +28,7 @@ SUBSYSTEM_DEF(persistence)
 	LoadPhotoPersistence()
 	if(CONFIG_GET(flag/use_antag_rep))
 		LoadAntagReputation()
-	..()
+	return ..()
 
 /datum/controller/subsystem/persistence/proc/LoadSatchels()
 	var/placed_satchel = 0

code/controllers/subsystem/processing/quirks.dm

@@ -15,7 +15,7 @@ PROCESSING_SUBSYSTEM_DEF(quirks)
 /datum/controller/subsystem/processing/quirks/Initialize(timeofday)
 	if(!quirks.len)
 		SetupQuirks()
-	..()
+	return ..()
 
 /datum/controller/subsystem/processing/quirks/proc/SetupQuirks()
 	for(var/V in subtypesof(/datum/quirk))

code/controllers/subsystem/server_maint.dm

@@ -12,7 +12,7 @@ SUBSYSTEM_DEF(server_maint)
 /datum/controller/subsystem/server_maint/Initialize(timeofday)
 	if (CONFIG_GET(flag/hub))
 		world.update_hub_visibility(TRUE)
-	..()
+	return ..()
 
 /datum/controller/subsystem/server_maint/fire(resumed = FALSE)
 	if(!resumed)

code/controllers/subsystem/shuttle.dm

@@ -72,7 +72,7 @@ SUBSYSTEM_DEF(shuttle)
 		WARNING("No /obj/docking_port/mobile/emergency/backup placed on the map!")
 	if(!supply)
 		WARNING("No /obj/docking_port/mobile/supply placed on the map!")
-	..()
+	return ..()
 
 /datum/controller/subsystem/shuttle/proc/initial_load()
 	if(!istype(manipulator))

code/controllers/subsystem/ticker.dm

@@ -128,12 +128,12 @@ SUBSYSTEM_DEF(ticker)
 	if(!GLOB.syndicate_code_response)
 		GLOB.syndicate_code_response = generate_code_phrase()
 
-	..()
 	start_at = world.time + (CONFIG_GET(number/lobby_countdown) * 10)
 	if(CONFIG_GET(flag/randomize_shift_time))
 		gametime_offset = rand(0, 23) HOURS
 	else if(CONFIG_GET(flag/shift_time_realtime))
 		gametime_offset = world.timeofday
+	return ..()
 
 /datum/controller/subsystem/ticker/fire()
 	switch(current_state)

code/controllers/subsystem/weather.dm

@@ -45,7 +45,7 @@ SUBSYSTEM_DEF(weather)
 			for(var/z in SSmapping.levels_by_trait(target_trait))
 				LAZYINITLIST(eligible_zlevels["[z]"])
 				eligible_zlevels["[z]"][W] = probability
-	..()
+	return ..()
 
 /datum/controller/subsystem/weather/proc/run_weather(datum/weather/weather_datum_type, z_levels)
 	if (istext(weather_datum_type))