feat(mission): 添加结算页再来一次功能

1. 新增GameEvent.RestartMission事件用于重开本关
2. 重构结算弹窗按钮逻辑，适配失败关卡重试需求
3. 新增restartCurrentMission方法实现关卡重置逻辑
4. 调整胜利prefab的缩放和控件绑定

assets/resources/gui/element/victory.prefab

@@ -314,8 +314,8 @@
     },
     "_lscale": {
       "__type__": "cc.Vec3",
-      "x": 1.2,
-      "y": 1.2,
+      "x": 1.8,
+      "y": 1.8,
       "z": 1
     },
     "_mobility": 0,
@@ -4654,7 +4654,9 @@
     "confirm_btn": {
       "__id__": 25
     },
-    "settle_title": null,
+    "settle_title": {
+      "__id__": 14
+    },
     "_id": ""
   },
   {