message: Update parsePlanetAttribute for loop to iterate elements
diff: @@ -116,9 +116,7 @@ std::vector<Planet::Attributes> parsePlanetAttributes()
  std::vector<Planet::Attributes> planetAttributes;
  auto rootElement = xmlDocument.firstChildElement(rootElementName);
  - for (const auto* node = rootElement->iterateChildren(nullptr);
  - node != nullptr;
  - node = rootElement->iterateChildren(node))
  + for (const auto* node = rootElement->firstChildElement("Planet"); node; node = node->nextSiblingElement("Planet"))
  {
  std::string elementName("Planet");
  if (node->value() != elementName)
  