message: Handle energy in MapViewState::load()
diff: @@ -175,7 +175,8 @@ void MapViewState::load(const std::string& filePath)
  readPopulation(root->firstChildElement("population"));
  readTurns(root->firstChildElement("turns"));
  - //else if (attribute->name() == constants::SAVE_GAME_ENERGY) { attribute->queryIntValue(mEnergy); }
  + XmlElement* energy = root->firstChildElement("energy");
  + mEnergy = std::stoi(energy->attribute(constants::SAVE_GAME_ENERGY));
  mRefinedResourcesCap = totalStorage(Structure::StructureClass::Storage, StorageTanksCapacity);
  