More abilities, refactor IPokemon.SetStatus to pass pokemon that caused the status change

PkmnLib.Dynamic/ScriptHandling/Script.cs

@@ -767,6 +767,10 @@ public abstract class Script : IDeepCloneable
     {
     }
 
+    public virtual void OnAfterStatusChange(IPokemon pokemon, StringKey status, IPokemon? originPokemon)
+    {
+    }
+
     /// <summary>
     /// This function allows a script to prevent a Pokémon from being affected by a volatile status condition.
     /// </summary>