message: Only iterate over XmlElement in MapViewState::readRobots
diff: @@ -280,10 +280,10 @@ void MapViewState::readRobots(Xml::XmlElement* element)
  mRobots.clear();
  ROBOT_ID_COUNTER = 0;
  - for (XmlNode* robotNode = element->firstChild(); robotNode; robotNode = robotNode->nextSibling())
  + for (XmlElement* robotNode = element->firstChildElement(); robotNode; robotNode = robotNode->nextSiblingElement())
  {
  int id = 0, type = 0, age = 0, production_time = 0, x = 0, y = 0, depth = 0, direction = 0;
  - auto* attribute = robotNode->toElement()->firstAttribute();
  + auto* attribute = robotNode->firstAttribute();
  while (attribute)
  {
  if (attribute->name() == "id") { attribute->queryIntValue(id); }
  