refactor(config): 统一初始金币配置并调整刷新时机

1. 将分散的初始金币常量迁移到FightSet枚举中，删除冗余的CardInitCoins
2. 调整刷新费用UI更新时机，确保驻场技能效果正确生效

assets/script/game/map/MissionComp.ts

@@ -45,7 +45,6 @@ import { mLogger } from "../common/Logger";
 import { Monster } from "../hero/Mon";
 import { Skill } from "../skill/Skill";
 import { Tooltip } from "../skill/Tooltip";
-import { CardInitCoins } from "../common/config/CardSet";
 import { Timer } from "db://oops-framework/core/common/timer/Timer";
 import { FieldSkillType } from "../common/config/SkillSet";
 import { FieldSkillHelper } from "../hero/FieldSkillHelper";
@@ -734,7 +733,7 @@ export class MissionComp extends CCComp {
         // 重置所有的战局得分数据，防止上一局的数据污染
         smc.resetScores();
 
-        smc.vmdata.mission_data.coin = Math.max(0, Math.floor(CardInitCoins));
+        smc.vmdata.mission_data.coin = Math.max(0, Math.floor(FightSet.INIT_COIN));
         // 【评分系统 - 效率分】记录初始获得的金币收入
         smc.vmdata.scores.gold_earned += smc.vmdata.mission_data.coin;
     }