feat(heroBox): 添加英雄信息次级属性折叠功能

1. 移除了三个精灵组件的固定贴图，改为空引用
2. 新增更多属性折叠按钮和5个次级属性栏节点
3. 实现点击按钮切换次级属性栏显示/隐藏的逻辑
4. 调整了英雄盒子预制体的布局和文本内容
5. 修复了布局对齐参数和预制体关联信息

assets/resources/gui/element/sbox.prefab

@@ -3082,10 +3082,7 @@
       "b": 255,
       "a": 255
     },
-    "_spriteFrame": {
-      "__uuid__": "cb93c900-b440-4571-91d1-7da1636e3d73@fcdc9",
-      "__expectedType__": "cc.SpriteFrame"
-    },
+    "_spriteFrame": null,
     "_type": 1,
     "_fillType": 0,
     "_sizeMode": 0,
@@ -3221,10 +3218,7 @@
       "b": 255,
       "a": 255
     },
-    "_spriteFrame": {
-      "__uuid__": "cb93c900-b440-4571-91d1-7da1636e3d73@fcdc9",
-      "__expectedType__": "cc.SpriteFrame"
-    },
+    "_spriteFrame": null,
     "_type": 1,
     "_fillType": 0,
     "_sizeMode": 0,
@@ -3360,10 +3354,7 @@
       "b": 255,
       "a": 255
     },
-    "_spriteFrame": {
-      "__uuid__": "cb93c900-b440-4571-91d1-7da1636e3d73@fcdc9",
-      "__expectedType__": "cc.SpriteFrame"
-    },
+    "_spriteFrame": null,
     "_type": 1,
     "_fillType": 0,
     "_sizeMode": 0,