Add ghost role raffles (#26629)

* Add ghost role raffles

* GRR: Fix dialogue sizing, fix merge

* GRR: Add raffle deciders (winner picker)

* GRR: Make settings prototype based with option to override

* GRR: Use Raffles folder and namespace

* GRR: DataFieldify and TimeSpanify

* GRR: Don't actually DataFieldify HashSet<ICommonSession>s

* GRR: add GetGhostRoleCount() + docs

* update engine on branch

* Ghost role raffles: docs, fix window size, cleanup, etc

* GRR: Admin UI

* GRR: Admin UI: Display initial/max/ext of selected raffle settings proto

* GRR: Make a ton of roles raffled

Content.Server/Ghost/Roles/Components/GhostRoleComponent.cs

@@ -1,4 +1,5 @@
-using Content.Server.Mind.Commands;
+using Content.Server.Ghost.Roles.Raffles;
+using Content.Server.Mind.Commands;
 using Content.Shared.Roles;
 
 namespace Content.Server.Ghost.Roles.Components
@@ -87,5 +88,12 @@ namespace Content.Server.Ghost.Roles.Components
         [ViewVariables(VVAccess.ReadWrite)]
         [DataField("reregister")]
         public bool ReregisterOnGhost { get; set; } = true;
+
+        /// <summary>
+        /// If set, ghost role is raffled, otherwise it is first-come-first-serve.
+        /// </summary>
+        [DataField("raffle")]
+        [Access(typeof(GhostRoleSystem), Other = AccessPermissions.ReadWriteExecute)] // FIXME Friends
+        public GhostRoleRaffleConfig? RaffleConfig { get; set; }
     }
 }