When a move is changed through the ChangeMove hook, update the script

PkmnLib.Dynamic/ScriptHandling/ScriptContainer.cs

@@ -49,10 +49,7 @@ public class ScriptContainer : IEnumerable<ScriptContainer>
     /// <param name="script"></param>
     public void Set(Script script)
     {
-        if (Script is not null)
-        {
-            Script.OnRemove();
-        }
+        Script?.OnRemove();
         Script = script;
     }