feat: 添加击晕状态相关功能

1. 新增击晕概率、抗性属性配置与组件字段
2. 实现击晕判定逻辑与视图特效播放
3. 增加击晕时技能CD暂停清零的处理
4. 配置默认击晕持续时间为2秒

assets/script/game/skill/Skill.ts

@@ -212,6 +212,7 @@ export class Skill extends ecs.Entity {
             sDataCom.Attrs[Attrs.critical] = cAttrsComp.getRuntimeCritical() + sCrt;
             sDataCom.Attrs[Attrs.critical_damage] = cAttrsComp.getRuntimeCritDamageBonus();
             sDataCom.Attrs[Attrs.freeze_chance] = cAttrsComp.getRuntimeFreezeChance() + sFrz;
+            sDataCom.Attrs[Attrs.stun_chance] = cAttrsComp.stun_chance || 0;
             sDataCom.Attrs[Attrs.knockback_chance] = cAttrsComp.knockback_chance || 0;
             sDataCom.Attrs[Attrs.knockback_distance] = cAttrsComp.knockback_distance || 0;
             sDataCom.Attrs[Attrs.puncture_chance] = cAttrsComp.getRuntimePunctureChance(); // 初始化携带施法者的穿透概率