fix antag selection being evil (#28197)

* fix antag selection being evil

* fix test

* untroll the other tests

* remove role timer troll

* Allow tests to modify antag preferences

* Fix antag selection

* Misc test fixes

* Add AntagPreferenceTest

* Fix lazy mistakes

* Test cleanup

* Try stop players in lobbies from being assigned mid-round antags

* ranting

* I am going insane

---------

Co-authored-by: deltanedas <@deltanedas:kde.org>
Co-authored-by: ElectroJr <leonsfriedrich@gmail.com>

Content.IntegrationTests/Tests/Interaction/Click/InteractionSystemTests.cs

@@ -407,7 +407,6 @@ namespace Content.IntegrationTests.Tests.Interaction.Click
             await pair.CleanReturnAsync();
         }
 
-        [Reflect(false)]
         public sealed class TestInteractionSystem : EntitySystem
         {
             public EntityEventHandler<InteractUsingEvent>? InteractUsingEvent;