增加一些定义

Hotfix/Outer/Demo/SubScene/C2SubScene_TestDisposeMessageHandler.cs

@@ -0,0 +1,16 @@
+using Fantasy.Async;
+using Fantasy.Network.Interface;
+
+namespace Fantasy;
+
+public class C2SubScene_TestDisposeMessageHandler : Addressable<Unit, C2SubScene_TestDisposeMessage>
+{
+    protected override async FTask Run(Unit unit, C2SubScene_TestDisposeMessage message)
+    {
+        var unitScene = unit.Scene;
+        var unitSceneSceneType = unitScene.SceneType;
+        unitScene.Dispose();
+        Log.Debug($"{unitSceneSceneType} {unitScene.RuntimeId} is Dispose!");
+        await FTask.CompletedTask;
+    }
+}