refactor(hero): 重构英雄头顶状态栏逻辑到独立组件

将原HeroViewComp中的头顶血条、等级、护盾UI逻辑抽离为HeroTopBarComp，
统一管理头顶状态栏的初始化、数据更新、动画和显隐逻辑，减少HeroViewComp代码冗余，
提升代码可维护性和复用性。同时更新预制体关联，适配新的组件结构。

assets/resources/game/heros/top.prefab

@@ -38,10 +38,13 @@
     "_components": [
       {
         "__id__": 110
+      },
+      {
+        "__id__": 112
       }
     ],
     "_prefab": {
-      "__id__": 112
+      "__id__": 114
     },
     "_lpos": {
       "__type__": "cc.Vec3",
@@ -1277,7 +1280,7 @@
         "__id__": 65
       }
     ],
-    "_active": true,
+    "_active": false,
     "_components": [
       {
         "__id__": 73
@@ -2520,8 +2523,8 @@
     },
     "_contentSize": {
       "__type__": "cc.Size",
-      "width": 70,
-      "height": 20
+      "width": 40,
+      "height": 11
     },
     "_anchorPoint": {
       "__type__": "cc.Vec2",
@@ -2534,6 +2537,34 @@
     "__type__": "cc.CompPrefabInfo",
     "fileId": "cdvV5hAkdEaY6AT6urHKuf"
   },
+  {
+    "__type__": "c4181/FEWhKbY0D0PLdCyKi",
+    "_name": "",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "__prefab": {
+      "__id__": 113
+    },
+    "hpProgressBar": {
+      "__id__": 53
+    },
+    "lvLabel": null,
+    "shieldProgressBar": {
+      "__id__": 77
+    },
+    "hpBarSprite": {
+      "__id__": 36
+    },
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "3eCKBFOJhLHKqcnak/mi3d"
+  },
   {
     "__type__": "cc.PrefabInfo",
     "root": {