refactor: 调整测试模式、英雄等级和卡池配置

1. 开启单挑测试模式
2. 将英雄最大等级从3下调至2
3. 更新卡池升级波次配置为[4,7,10,13]
4. 修复任务预制体的精灵帧和节点缩放配置

assets/resources/gui/element/mission.prefab

@@ -17152,8 +17152,8 @@
     },
     "_lscale": {
       "__type__": "cc.Vec3",
-      "x": -1.5,
-      "y": 1.5,
+      "x": -1,
+      "y": 1,
       "z": 1
     },
     "_mobility": 0,
@@ -17387,8 +17387,8 @@
     },
     "_contentSize": {
       "__type__": "cc.Size",
-      "width": 125,
-      "height": 125
+      "width": 120,
+      "height": 108
     },
     "_anchorPoint": {
       "__type__": "cc.Vec2",
@@ -17423,7 +17423,10 @@
       "b": 255,
       "a": 255
     },
-    "_spriteFrame": null,
+    "_spriteFrame": {
+      "__uuid__": "cb93c900-b440-4571-91d1-7da1636e3d73@0884e",
+      "__expectedType__": "cc.SpriteFrame"
+    },
     "_type": 0,
     "_fillType": 0,
     "_sizeMode": 1,
@@ -17437,7 +17440,7 @@
     "_isTrimmedMode": true,
     "_useGrayscale": false,
     "_atlas": {
-      "__uuid__": "031877cb-0f3d-4e92-bc5d-e492a0d95a08",
+      "__uuid__": "cb93c900-b440-4571-91d1-7da1636e3d73",
       "__expectedType__": "cc.SpriteAtlas"
     },
     "_id": ""
@@ -28798,10 +28801,6 @@
     },
     "debugMode": false,
     "showMemoryPanel": true,
-    "cardPoolUpgradeWaves": [
-      5,
-      10
-    ],
     "start_btn": {
       "__id__": 368
     },