Fix editor scene persistence and XC scene workflow

editor/src/Application.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <memory>
+#include <string>
 #include <imgui.h>
 #include <d3d12.h>
 #include <dxgi1_6.h>
@@ -23,6 +24,7 @@ public:
     void Shutdown();
     void Render();
     void OnResize(int width, int height);
+    HWND GetWindowHandle() const { return m_hwnd; }
     
     IEditorContext& GetEditorContext() const { return *m_editorContext; }
     
@@ -33,6 +35,7 @@ private:
     bool CreateDevice();
     bool CreateRenderTarget();
     void CleanupRenderTarget();
+    void UpdateWindowTitle();
     
     HWND m_hwnd = nullptr;
     int m_width = 1280;
@@ -54,7 +57,8 @@ private:
     Core::LayerStack m_layerStack;
     EditorLayer* m_editorLayer = nullptr;
     std::shared_ptr<IEditorContext> m_editorContext;
+    std::wstring m_lastWindowTitle;
 };
 
 }
-}
+}