message: Update parsePlanet for loop to iterate elements
diff: @@ -131,9 +131,7 @@ namespace
  {
  Planet::Attributes attributes;
  - for (const auto* node = xmlNode->iterateChildren(nullptr);
  - node != nullptr;
  - node = xmlNode->iterateChildren(node))
  + for (const auto* node = xmlNode->firstChildElement(); node; node = node->nextSiblingElement())
  {
  const auto* element = node->toElement();
  