message: [GUI] Recognize key event for clearing console
  Adjust the settingsconsolewidget event filter to explicitely recognize
  the key combo for clearing the console.
diff: @@ -345,6 +345,8 @@ bool SettingsConsoleWidget::eventFilter(QObject* obj, QEvent* event)
  QApplication::postEvent(ui->lineEdit, new QKeyEvent(*keyevt));
  return true;
  }
  + if (mod == Qt::ControlModifier && key == Qt::Key_L)
  + clear(false);
  }
  }
  return QWidget::eventFilter(obj, event);
  