message: Explicitly raise window when opening file in it
  This fixes a multi-seconds delay when double-clicking a file in Finder
  on macOS.
diff: @@ -645,6 +645,7 @@ void PoeditApp::OpenFiles(const wxArrayString& names, int lineno)
  if (active)
  {
  active->OpenFile(name, lineno);
  + active->Raise();
  active = nullptr;
  }
  else
  