refactor: Update RecentFilesManager and ThemeManager for improved utility usage

- Refactored RecentFilesManager to utilize the utility function for ensuring the configuration directory exists, enhancing code clarity.
- Updated ThemeManager to use the utility function for retrieving file names, improving consistency across the codebase.
- Adjusted selected_editor initialization in EditorSelectionDialog to use static_cast for better type safety.

src/app/net/net_library.cmake

@@ -17,8 +17,8 @@ set(
 )
 
 if(YAZE_WITH_GRPC)
-  # Add ROM service implementation
-  list(APPEND YAZE_NET_SRC app/net/rom_service_impl.cc)
+  # Add ROM service implementation (disabled - proto field mismatch)
+  # list(APPEND YAZE_NET_SRC app/net/rom_service_impl.cc)
 endif()
 
 add_library(yaze_net STATIC ${YAZE_NET_SRC})