fix: 修复战斗相关UI显示与技能配置问题

1. 调整RPG地图预制件与UI元素的激活状态，修复战斗面板显示异常
2. 移除技能卡片多余的t_times配置项，简化技能触发逻辑
3. 优化战斗结束后战斗框的显隐控制

assets/script/game/map/MissionComp.ts

@@ -196,10 +196,12 @@ export class MissionComp extends CCComp {
             this.mission_start();
         }, 0);
         smc.map.MapView.scene.mapLayer.stopAnimations();
+        smc.map.MapView.scene.mapLayer.node.getChildByName("fight").getChildByName("fbox").active = true;
     }
 
     onDestroy() {
         smc.map.MapView.scene.mapLayer.playAnimations()
+        smc.map.MapView.scene.mapLayer.node.getChildByName("fight").getChildByName("fbox").active = false;
         super.onDestroy();
         if (this.start_btn && this.start_btn.isValid) {
             this.start_btn.off(NodeEventType.TOUCH_END, this.onStartFightBtnClick, this);