fix(map): 修复任务奖励图标加载问题并重构组件逻辑

- 移除 MGetsComp 中未使用的属性和方法，简化组件结构
- 在 MissionGetsComp 中实现动态加载奖励图标功能，支持从 gui/uicons 图集获取
- 调整 get.prefab 结构，分离图标和数字显示节点
- 解决资源加载机制限制，确保动态加载资源正常工作

assets/resources/game/gui/get.prefab

@@ -29,25 +29,28 @@
       },
       {
         "__id__": 26
+      },
+      {
+        "__id__": 32
       }
     ],
     "_active": true,
     "_components": [
       {
-        "__id__": 32
+        "__id__": 38
       },
       {
-        "__id__": 34
+        "__id__": 40
       },
       {
-        "__id__": 36
+        "__id__": 42
       },
       {
-        "__id__": 39
+        "__id__": 45
       }
     ],
     "_prefab": {
-      "__id__": 41
+      "__id__": 47
     },
     "_lpos": {
       "__type__": "cc.Vec3",
@@ -605,7 +608,7 @@
   },
   {
     "__type__": "cc.Node",
-    "_name": "num",
+    "_name": "icon",
     "_objFlags": 0,
     "__editorExtras__": {},
     "_parent": {
@@ -626,8 +629,8 @@
     },
     "_lpos": {
       "__type__": "cc.Vec3",
-      "x": 34.381,
-      "y": -27.61,
+      "x": 0,
+      "y": 3,
       "z": 0
     },
     "_lrot": {
@@ -665,6 +668,142 @@
     "__prefab": {
       "__id__": 28
     },
+    "_contentSize": {
+      "__type__": "cc.Size",
+      "width": 93,
+      "height": 90
+    },
+    "_anchorPoint": {
+      "__type__": "cc.Vec2",
+      "x": 0.5,
+      "y": 0.5
+    },
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "bbJGIGV/FBhKHt/1tzLuwE"
+  },
+  {
+    "__type__": "cc.Sprite",
+    "_name": "",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "node": {
+      "__id__": 26
+    },
+    "_enabled": true,
+    "__prefab": {
+      "__id__": 30
+    },
+    "_customMaterial": null,
+    "_srcBlendFactor": 2,
+    "_dstBlendFactor": 4,
+    "_color": {
+      "__type__": "cc.Color",
+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
+    },
+    "_spriteFrame": {
+      "__uuid__": "031877cb-0f3d-4e92-bc5d-e492a0d95a08@5dd64",
+      "__expectedType__": "cc.SpriteFrame"
+    },
+    "_type": 1,
+    "_fillType": 0,
+    "_sizeMode": 0,
+    "_fillCenter": {
+      "__type__": "cc.Vec2",
+      "x": 0,
+      "y": 0
+    },
+    "_fillStart": 0,
+    "_fillRange": 0,
+    "_isTrimmedMode": true,
+    "_useGrayscale": false,
+    "_atlas": null,
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "4al0MLxMlB56FJWnzCZ4F9"
+  },
+  {
+    "__type__": "cc.PrefabInfo",
+    "root": {
+      "__id__": 1
+    },
+    "asset": {
+      "__id__": 0
+    },
+    "fileId": "3fySg1nP5PX4FJgI5Phn2X",
+    "instance": null,
+    "targetOverrides": null,
+    "nestedPrefabInstanceRoots": null
+  },
+  {
+    "__type__": "cc.Node",
+    "_name": "num",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "_parent": {
+      "__id__": 1
+    },
+    "_children": [],
+    "_active": true,
+    "_components": [
+      {
+        "__id__": 33
+      },
+      {
+        "__id__": 35
+      }
+    ],
+    "_prefab": {
+      "__id__": 37
+    },
+    "_lpos": {
+      "__type__": "cc.Vec3",
+      "x": 34.381,
+      "y": -27.61,
+      "z": 0
+    },
+    "_lrot": {
+      "__type__": "cc.Quat",
+      "x": 0,
+      "y": 0,
+      "z": 0,
+      "w": 1
+    },
+    "_lscale": {
+      "__type__": "cc.Vec3",
+      "x": 1,
+      "y": 1,
+      "z": 1
+    },
+    "_mobility": 0,
+    "_layer": 1073741824,
+    "_euler": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 0,
+      "z": 0
+    },
+    "_id": ""
+  },
+  {
+    "__type__": "cc.UITransform",
+    "_name": "",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "node": {
+      "__id__": 32
+    },
+    "_enabled": true,
+    "__prefab": {
+      "__id__": 34
+    },
     "_contentSize": {
       "__type__": "cc.Size",
       "width": 17.90380859375,
@@ -687,11 +826,11 @@
     "_objFlags": 0,
     "__editorExtras__": {},
     "node": {
-      "__id__": 26
+      "__id__": 32
     },
     "_enabled": true,
     "__prefab": {
-      "__id__": 30
+      "__id__": 36
     },
     "_customMaterial": null,
     "_srcBlendFactor": 2,
@@ -772,7 +911,7 @@
     },
     "_enabled": true,
     "__prefab": {
-      "__id__": 33
+      "__id__": 39
     },
     "_contentSize": {
       "__type__": "cc.Size",
@@ -800,7 +939,7 @@
     },
     "_enabled": false,
     "__prefab": {
-      "__id__": 35
+      "__id__": 41
     },
     "_customMaterial": null,
     "_srcBlendFactor": 2,
@@ -845,11 +984,11 @@
     },
     "_enabled": true,
     "__prefab": {
-      "__id__": 37
+      "__id__": 43
     },
     "clickEvents": [
       {
-        "__id__": 38
+        "__id__": 44
       }
     ],
     "_interactable": true,
@@ -913,7 +1052,7 @@
     },
     "_enabled": true,
     "__prefab": {
-      "__id__": 40
+      "__id__": 46
     },
     "_id": ""
   },