Refactor antag rule code (#23445)

* Initial Pass, Rev, Thief

* Zombie initial pass

* Rebase, Traitor

* Nukeops, More overloads

* Revert RevolutionaryRuleComponent

* Use TryRoundStartAttempt, Rewrite nukie spawning

* Comments, Add task scheduler to GameRuleSystem

* Zombie initial testing done

* Sort methods, rework GameRuleTask

* Add CCVar, Initial testing continues

* Might as well get rid of the obsolete logging

* Oops, i dont know how to log apparently

* Suggested formatting fixes

* Suggested changes

* Fix merge issues

* Minor optimisation

* Allowed thief to choose other antags

* Review changes

* Spawn items on floor first, then inserting

* minor tweaks

* Shift as much as possible to ProtoId<>

* Remove unneeded

* Add exclusive antag attribute

* Fix merge issues

* Minor formatting fix

* Convert to struct

* Cleanup

* Review cleanup (need to test a lot)

* Some fixes, (mostly) tested

* oop

* Pass tests (for real)

---------

Co-authored-by: Rainfall <rainfey0+git@gmail.com>
Co-authored-by: AJCM <AJCM@tutanota.com>

Content.Server/Roles/DragonRoleComponent.cs

@@ -6,7 +6,7 @@ namespace Content.Server.Roles;
 /// <summary>
 /// Role used to keep track of space dragons for antag purposes.
 /// </summary>
-[RegisterComponent, Access(typeof(DragonSystem))]
+[RegisterComponent, Access(typeof(DragonSystem)), ExclusiveAntagonist]
 public sealed partial class DragonRoleComponent : AntagonistRoleComponent
 {
 }