Prevent non-inital infected from getting the succumb to zombie action (#27820)

* b

* Update ZombieRuleSystem.cs

* hi

Content.Server/Zombies/IncurableZombieComponent.cs

@@ -1,10 +1,16 @@
-namespace Content.Server.Zombies;
+using Robust.Shared.Prototypes;
+
+namespace Content.Server.Zombies;
 
 /// <summary>
-/// This is used for a zombie that cannot be cured by any methods.
+/// This is used for a zombie that cannot be cured by any methods. Gives a succumb to zombie infection action.
 /// </summary>
 [RegisterComponent]
 public sealed partial class IncurableZombieComponent : Component
 {
+    [DataField]
+    public EntProtoId ZombifySelfActionPrototype = "ActionTurnUndead";
 
+    [DataField]
+    public EntityUid? Action;
 }