message: Fix hang when capturing screenshot while modal help dialog is up
diff: @@ -4384,7 +4384,7 @@ void MainApp::handle_hotkeys()
  if ( s_actions().get( action_toggle_show_eventlist ) )
  s_opts().setb( OPT_ShowEventList, !s_opts().getb( OPT_ShowEventList ) );
  - if ( s_actions().get( action_save_screenshot ) )
  + if ( !m_show_help && s_actions().get( action_save_screenshot ) )
  {
  ImGuiIO& io = ImGui::GetIO();
  int w = ( int )io.DisplaySize.x;
  