refactor(hero): 统一角色状态初始化逻辑并调整UI布局

1. 将HeroSpine和HeroViewComp的默认状态从"idle"改为空字符串
2. 替换HeroViewComp中直接调用as.idle()为status_change方法
3. 调整role_controller预制体的UI元素位置和尺寸，适配240宽度布局

assets/script/game/hero/HeroViewComp.ts

@@ -31,7 +31,7 @@ export class HeroViewComp extends CCComp {
 
     // ==================== View 层属性（表现相关）====================
     as: HeroSpine = null!
-    status:String = "idle"
+    status:String = ""
     scale: number = 1;      // 显示方向
     box_group:number = BoxSet.HERO;  // 碰撞组
     realDeadTime:number=0.1
@@ -104,10 +104,10 @@ export class HeroViewComp extends CCComp {
 
     /** 初始化/重置视图状态 */
     init() {
-        this.status = "idle";
+        this.status = "";
         this.deadCD = 0;
         this.lastBarUpdateTime = 0;
-        this.as.idle()
+        this.status_change("idle");
         
         // 初始化 UI 节点
         this.initUINodes();