refactor(new_editor): tighten app dependency boundaries

new_editor/app/Rendering/Assets/BuiltInIcons.cpp

@@ -1,5 +1,6 @@
 #include "BuiltInIcons.h"
 #include "Bootstrap/EditorResources.h"
+#include "Host/TextureHost.h"
 #include "Internal/EmbeddedPngLoader.h"
 
 #include <sstream>
@@ -23,7 +24,7 @@ void AppendLoadError(
 }
 
 void LoadEmbeddedIconTexture(
-    Host::NativeRenderer& renderer,
+    Host::TextureHost& renderer,
     UINT resourceId,
     std::string_view label,
     ::XCEngine::UI::UITextureHandle& outTexture,
@@ -36,7 +37,7 @@ void LoadEmbeddedIconTexture(
 
 } // namespace
 
-void BuiltInIcons::Initialize(Host::NativeRenderer& renderer) {
+void BuiltInIcons::Initialize(Host::TextureHost& renderer) {
     Shutdown();
 
     m_renderer = &renderer;