message: Use Tile::position() in MapViewStateHelper
diff: @@ -520,8 +520,9 @@ void checkRobotDeployment(XmlElement* _ti, RobotTileTable& _rm, Robot* _r, Robot
  if (it->first == _r)
  {
  const auto& tile = *it->second;
  - _ti->attribute("x", tile.x());
  - _ti->attribute("y", tile.y());
  + const auto position = tile.position();
  + _ti->attribute("x", position.x());
  + _ti->attribute("y", position.y());
  _ti->attribute("depth", tile.depth());
  }
  