Fix initial infected transformation (#19735)

Content.Server/GameTicking/Rules/ZombieRuleSystem.cs

@@ -318,7 +318,7 @@ public sealed class ZombieRuleSystem : GameRuleSystem<ZombieRuleComponent>
 
             totalInfected++;
 
-            _roles.MindAddRole(mindId, new ZombieRoleComponent { PrototypeId = component.PatientZeroPrototypeId });
+            _roles.MindAddRole(mindId, new InitialInfectedRoleComponent { PrototypeId = component.PatientZeroPrototypeId });
 
             var pending = EnsureComp<PendingZombieComponent>(ownedEntity);
             pending.GracePeriod = _random.Next(component.MinInitialInfectedGrace, component.MaxInitialInfectedGrace);

Content.Server/Roles/InitialInfectedRoleComponent.cs

@@ -0,0 +1,9 @@
+using Content.Shared.Roles;
+
+namespace Content.Server.Roles;
+
+[RegisterComponent]
+public sealed partial class InitialInfectedRoleComponent : AntagonistRoleComponent
+{
+
+}

Content.Server/Roles/RoleSystem.cs

@@ -9,6 +9,7 @@ public sealed class RoleSystem : SharedRoleSystem
         // TODO make roles entities
         base.Initialize();
 
+        SubscribeAntagEvents<InitialInfectedRoleComponent>();
         SubscribeAntagEvents<NukeopsRoleComponent>();
         SubscribeAntagEvents<SubvertedSiliconRoleComponent>();
         SubscribeAntagEvents<TraitorRoleComponent>();