Fix edge case in which we mate from online EGTB with 8 pieces on the …

…board and a legal capture

lichess_game.py

@@ -744,7 +744,7 @@ async def _make_egtb_move(self) -> Move_Response | None:
             return
 
         uci_move: str = response['moves'][0]['uci']
-        dtz: int = -response['moves'][0]['dtz']
+        dtz: int = response['dtz']
         dtm: int | None = response['dtm']
         offer_draw = outcome in ['draw', 'blessed loss']
         resign = outcome == 'loss'