fix: 优化属性默认值处理，注释多余赋值逻辑

1. 将heroInfo接口的dis和speed字段改为可选
2. 在实例化时使用??运算符设置默认值
3. 注释掉冗余的call字段赋值代码
4. 移除英雄配置中重复的固定属性值

assets/script/game/hero/Mon.ts

@@ -164,13 +164,13 @@ export class Monster extends ecs.Entity {
         model.hero_name = hero.name;
         model.hp = model.hp_max = hero.hp;
         model.ap = hero.ap;
-        model.speed = hero.speed;
+        model.speed = hero.speed ?? 800;
         model.type = hero.type;
         model.fac = FacSet.MON;
-        model.dis = hero.dis;
+        model.dis = hero.dis ?? 720;
 
         // 复制触发技能配置
-        model.call = hero.call;
+        // model.call = hero.call;
         model.dead = hero.dead;
         model.fstart = hero.fstart;
         model.fend = hero.fend;