Decouple editor render runtime factory

editor/app/Rendering/D3D12/D3D12EditorWindowRenderRuntime.cpp

@@ -1,6 +1,7 @@
 #include "Rendering/D3D12/D3D12EditorWindowRenderRuntime.h"
 
 #include <algorithm>
+#include <memory>
 
 #include <windows.h>
 
@@ -18,6 +19,11 @@ using Rendering::Host::EditorWindowRenderRuntimeSurface;
 
 D3D12EditorWindowRenderRuntime::~D3D12EditorWindowRenderRuntime() = default;
 
+std::unique_ptr<Rendering::Host::EditorWindowRenderRuntime>
+D3D12EditorWindowRenderRuntimeFactory::CreateWindowRenderRuntime() {
+    return std::make_unique<D3D12EditorWindowRenderRuntime>();
+}
+
 bool D3D12EditorWindowRenderRuntime::IsReady() const {
     return m_ready;
 }