StationSystem/jobs/partial spawning refactor (#7580)

* Partial work on StationSystem refactor.

* WIP station jobs API.

* forgor to fire off grid events.

* Partial implementation of StationSpawningSystem

* whoops infinite loop.

* Spawners should work now.

* it compiles.

* tfw

* Vestigial code cleanup.

* fix station deletion.

* attempt to make tests go brr

* add latejoin spawnpoints to test maps.

* make sure the station still exists while destructing spawners.

* forgot an exists check.

* destruction order check.

* hopefully fix final test.

* fail-safe radstorm.

* Deep-clean job code further. This is bugged!!!!!

* Fix job bug. (init order moment)

* whooo cleanup

* New job selection algorithm that tries to distribute fairly across stations.

* small nitpicks

* Give the heads their weights to replace the head field.

* make overflow assign take a station list.

* moment

* Fixes and test #1 of many.

* please fix nullspace

* AssignJobs should no longer even consider showing up on a trace.

* add comment.

* Introduce station configs, praying i didn't miss something.

* in one small change stations are now fully serializable.

* Further doc comments.

* whoops.

* Solve bug where assignjobs didn't account for roundstart.

* Fix spawning, improve the API.
Caught an oversight in stationsystem that should've broke everything but didn't, whoops.

* Goodbye JobController.

* minor fix..

* fix test fail, remove debug logs.

* quick serialization fixes.

* fixes..

* sus

* partialing

* Update Content.Server/Station/Systems/StationJobsSystem.Roundstart.cs

Co-authored-by: Kara <lunarautomaton6@gmail.com>

* Use dirtying to avoid rebuilding the list 2,100 times.

* add a bajillion more lines of docs (mostly in AssignJobs so i don't ever forget how it works)

* Update Content.IntegrationTests/Tests/Station/StationJobsTest.cs

Co-authored-by: Kara <lunarautomaton6@gmail.com>

* Add the Mysteriously Missing Captain Check.

* Put maprender back the way it belongs.

* I love addressing reviews.

* Update Content.Server/Station/Systems/StationJobsSystem.cs

Co-authored-by: Kara <lunarautomaton6@gmail.com>

* doc cleanup.

* Fix bureaucratic error, add job slot tests.

* zero cost abstractions when

* cri

* saner error.

* Fix spawning failing certain tests due to gameticker not handling falliability correctly.
Can't fix this until I refactor the rest of spawning code.

* submodule gaming

* Packedenger.

* Documentation consistency.

Co-authored-by: Kara <lunarautomaton6@gmail.com>

Content.Server/GameTicking/GameTicker.RoundFlow.cs

@@ -6,13 +6,11 @@ using Content.Server.Ghost;
 using Content.Server.Maps;
 using Content.Server.Mind;
 using Content.Server.Players;
-using Content.Server.Station;
 using Content.Shared.CCVar;
 using Content.Shared.Coordinates;
 using Content.Shared.GameTicking;
 using Content.Shared.Preferences;
 using Content.Shared.Sound;
-using Content.Shared.Station;
 using JetBrains.Annotations;
 using Prometheus;
 using Robust.Server.Maps;
@@ -207,7 +205,7 @@ namespace Content.Server.GameTicking
             // MapInitialize *before* spawning players, our codebase is too shit to do it afterwards...
             _mapManager.DoMapInitialize(DefaultMap);
 
-            SpawnPlayers(readyPlayers, origReadyPlayers, profiles, force);
+            SpawnPlayers(readyPlayers, origReadyPlayers.Select(x => x.UserId), profiles, force);
 
             _roundStartDateTime = DateTime.UtcNow;
             RunLevel = GameRunLevel.InRound;
@@ -216,7 +214,6 @@ namespace Content.Server.GameTicking
             SendStatusToAll();
             ReqWindowAttentionAll();
             UpdateLateJoinStatus();
-            UpdateJobsAvailable();
             AnnounceRound();
 
 #if EXCEPTION_TOLERANCE
@@ -428,8 +425,6 @@ namespace Content.Server.GameTicking
             // So clients' entity systems can clean up too...
             RaiseNetworkEvent(ev, Filter.Broadcast());
 
-            _spawnedPositions.Clear();
-            _manifest.Clear();
             DisallowLateJoin = false;
         }