补全 S1 测试

- 调整 CombatNode 正常结束与异常的变量语义，现在是 DidCombatWin 与 Exception
- 补充测试样例
- 完成 S1 目标

Assets/GameMain/Scripts/Event/Combat/CombatFailureReturnEventArgs.cs

@@ -1,21 +0,0 @@
-using GameFramework;
-using GameFramework.Event;
-
-namespace GeometryTD.CustomEvent
-{
-    public class CombatFailureReturnEventArgs : GameEventArgs
-    {
-        public static int EventId => typeof(CombatFailureReturnEventArgs).GetHashCode();
-
-        public override int Id => EventId;
-
-        public static CombatFailureReturnEventArgs Create()
-        {
-            return ReferencePool.Acquire<CombatFailureReturnEventArgs>();
-        }
-
-        public override void Clear()
-        {
-        }
-    }
-}

Assets/GameMain/Scripts/Event/Combat/CombatFailureReturnEventArgs.cs.meta

@@ -1,3 +0,0 @@
-fileFormatVersion: 2
-guid: 7db1bf4f6f5f435d8d3086510e178d1d
-timeCreated: 1772863200