refactor(new_editor/app): reorganize host structure and add smoke test

new_editor/app/Features/Project/ProjectPanel.h

@@ -1,10 +1,10 @@
 #pragma once
 
-#include "Project/ProductProjectBrowserModel.h"
+#include "ProjectBrowserModel.h"
 
 #include <XCEditor/Collections/UIEditorTreeViewInteraction.h>
 #include <XCEditor/Foundation/UIEditorTextMeasurement.h>
-#include <XCEditor/Shell/UIEditorPanelContentHost.h>
+#include <XCEditor/Panels/UIEditorPanelContentHost.h>
 
 #include <XCEngine/UI/DrawData.h>
 #include <XCEngine/UI/Widgets/UIExpansionModel.h>
@@ -18,9 +18,9 @@
 
 namespace XCEngine::UI::Editor::App {
 
-class ProductBuiltInIcons;
+class BuiltInIcons;
 
-class ProductProjectPanel {
+class ProjectPanel {
 public:
     enum class CursorKind : std::uint8_t {
         Arrow = 0,
@@ -56,7 +56,7 @@ public:
     };
 
     void Initialize(const std::filesystem::path& repoRoot);
-    void SetBuiltInIcons(const ProductBuiltInIcons* icons);
+    void SetBuiltInIcons(const BuiltInIcons* icons);
     void SetTextMeasurer(const ::XCEngine::UI::Editor::UIEditorTextMeasurer* textMeasurer);
     void ResetInteractionState();
     void Update(
@@ -73,7 +73,7 @@ public:
     const std::vector<Event>& GetFrameEvents() const;
 
 private:
-    using BrowserModel = ::XCEngine::UI::Editor::App::Project::ProductProjectBrowserModel;
+    using BrowserModel = ::XCEngine::UI::Editor::App::ProjectBrowserModel;
     using FolderEntry = BrowserModel::FolderEntry;
     using AssetEntry = BrowserModel::AssetEntry;
 
@@ -121,7 +121,7 @@ private:
     void ResetTransientFrames();
 
     BrowserModel m_browserModel = {};
-    const ProductBuiltInIcons* m_icons = nullptr;
+    const BuiltInIcons* m_icons = nullptr;
     const ::XCEngine::UI::Editor::UIEditorTextMeasurer* m_textMeasurer = nullptr;
     ::XCEngine::UI::Widgets::UISelectionModel m_folderSelection = {};
     ::XCEngine::UI::Widgets::UIExpansionModel m_folderExpansion = {};
@@ -144,3 +144,6 @@ private:
 };
 
 } // namespace XCEngine::UI::Editor::App
+
+
+