feat(editor): add hex editor and AI agent functionalities to MenuOrchestrator

- Implemented methods in EditorManager to show the hex editor, AI agent, and chat history, enhancing the editor's capabilities.
- Updated MenuOrchestrator to include new menu items for accessing the hex editor, AI agent, chat history, and other UI elements.
- Improved user interaction by providing quick access to essential features through keyboard shortcuts.

Benefits:
- Streamlines the user experience by integrating additional editor functionalities.
- Enhances the overall architecture by clearly defining roles for UI and editor operations within the MenuOrchestrator.

src/app/editor/editor_manager.h

@@ -241,6 +241,19 @@ class EditorManager {
   void ShowImGuiMetrics() { 
     if (ui_coordinator_) ui_coordinator_->SetImGuiMetricsVisible(true); 
   }
+  void ShowHexEditor();
+  void ShowEmulator() { show_emulator_ = true; }
+  void ShowCardBrowser() {
+    if (ui_coordinator_) ui_coordinator_->ShowCardBrowser();
+  }
+  void ShowWelcomeScreen() {
+    if (ui_coordinator_) ui_coordinator_->SetWelcomeScreenVisible(true);
+  }
+#ifdef YAZE_WITH_GRPC
+  void ShowAIAgent();
+  void ShowChatHistory();
+  void ShowProposalDrawer() { proposal_drawer_.Show(); }
+#endif
 
   // ROM and Project operations (public for MenuOrchestrator)
   absl::Status LoadRom();