Fix saving Learnsets with new Count

Ignore whatever count is, the move/level arrays are the only things that are referenced & saved.

pk3DS/Structs.cs

@@ -688,7 +688,7 @@ public byte[] Write()
             using (MemoryStream ms = new MemoryStream())
             using (BinaryWriter bw = new BinaryWriter(ms))
             {
-                for (int i = 0; i < Count; i++)
+                for (int i = 0; i < Moves.Length; i++)
                 {
                     bw.Write(Moves[i]);
                     bw.Write(Levels[i]);