fix GameMessage.SwapGraveDeck

Assets/SibylSystem/Ocgcore/OCGobjects/gameCard.cs

@@ -258,6 +258,11 @@ public class gameCard : OCGobject
 
     FlashingController MouseFlash;
 
+    public bool IsExtraCard()
+    {
+        return data.IsExtraCard();
+    }
+
     void RefreshFunction_decoration()
     {
         for (int i = 0; i < cardDecorations.Count; i++)

Assets/SibylSystem/Ocgcore/Ocgcore.cs

@@ -2376,6 +2376,9 @@ public class Ocgcore : ServantWithCardDescription
                             {
                                 if (cards[i].p.controller == player)
                                 {
+                                    if(cards[i].IsExtraCard())
+                                        cards[i].p.location = (UInt32)CardLocation.Extra;
+                                    else
                                         cards[i].p.location = (UInt32)CardLocation.Deck;
                                 }
                             }