message: Make currentLevelString a local variable
diff: extern NAS2D::Point<int> MOUSE_COORDS;
  -std::string CURRENT_LEVEL_STRING;
  -
  std::map<int, std::string> LEVEL_STRING_TABLE =
  {
  {constants::DepthSurface, constants::LevelSurface},
  @@ -92,8 +90,8 @@ void MapViewState::drawNavInfo() const
  }
  // Explicit current level
  - CURRENT_LEVEL_STRING = LEVEL_STRING_TABLE[mTileMap->currentDepth()];
  + const auto& currentLevelString = LEVEL_STRING_TABLE[mTileMap->currentDepth()];
  const auto& fontBoldMedium = fontCache.load(constants::FONT_PRIMARY_BOLD, constants::FontPrimaryMedium);
  - const auto currentLevelPosition = mMiniMapBoundingBox.crossXPoint() - fontBoldMedium.size(CURRENT_LEVEL_STRING) - NAS2D::Vector{0, 12};
  - renderer.drawText(fontBoldMedium, CURRENT_LEVEL_STRING, currentLevelPosition, NAS2D::Color::White);
  + const auto currentLevelPosition = mMiniMapBoundingBox.crossXPoint() - fontBoldMedium.size(currentLevelString) - NAS2D::Vector{0, 12};
  + renderer.drawText(fontBoldMedium, currentLevelString, currentLevelPosition, NAS2D::Color::White);
  }
  