fix(game): 修复 PG 游戏回报金额为负数的问题- 在 GamesPGServiceImpl 类中，将 payoffAmount 方法的参数改为绝对值

- 确保结算金额总是非负数，避免出现负数导致的数据异常

ff-game/src/main/java/com/ff/game/api/ng/service/impl/GamesPGServiceImpl.java

@@ -687,7 +687,7 @@ public class GamesPGServiceImpl implements IGamesService {
                 .wagersTime(resultBean.getBetTime().getTime())
                 .betAmount(resultBean.getBetAmount().abs())
                 .payoffTime(resultBean.getLastUpdateTime().getTime())
-                .payoffAmount(resultBean.getSettledAmount())
+                .payoffAmount(resultBean.getSettledAmount().abs())
                 .settlementTime(resultBean.getLastUpdateTime().getTime())
                 .turnover(resultBean.getValidAmount())
                 .orderNo(String.valueOf(resultBean.getRound()))