refactor(editor): neutralize render surface handoff

editor/app/Rendering/D3D12/D3D12EditorWindowRenderRuntime.cpp

@@ -1,7 +1,5 @@
 #include "Rendering/D3D12/D3D12EditorWindowRenderRuntime.h"
 
-#include "Platform/Win32/Windowing/Win32EditorWindowRenderRuntimeSurface.h"
-
 #include <algorithm>
 #include <memory>
 
@@ -56,12 +54,10 @@ EditorWindowRenderRuntimeInitializeResult D3D12EditorWindowRenderRuntime::Initia
     const EditorWindowRenderRuntimeInitializeParams& params) {
     EditorWindowRenderRuntimeInitializeResult result = {};
 
-    const auto* surface = params.surface != nullptr
-        ? dynamic_cast<
-            const ::XCEngine::UI::Editor::App::Win32EditorWindowRenderRuntimeSurface*>(
-                params.surface.get())
-        : nullptr;
-    HWND hwnd = surface != nullptr ? surface->GetHwnd() : nullptr;
+    const HWND hwnd =
+        params.surface.kind == Rendering::Host::EditorWindowRenderRuntimeSurfaceKind::Win32Window
+            ? reinterpret_cast<HWND>(params.surface.nativeHandle)
+            : nullptr;
     if (hwnd == nullptr) {
         result.errorMessage = "window initialize skipped: hwnd is null";
         return result;