message: Use new TileMap::isVisibleTile overload within TileMap
diff: @@ -290,7 +290,7 @@ void TileMap::centerMapOnTile(Tile* tile)
  */
  bool TileMap::tileHighlightVisible() const
  {
  - return isVisibleTile(mMapHighlight, mCurrentDepth);
  + return isVisibleTile({mMapHighlight, mCurrentDepth});
  }
  @@ -511,7 +511,7 @@ void TileMap::deserialize(NAS2D::Xml::XmlElement* element)
  Tile* TileMap::getVisibleTile(NAS2D::Point<int> position, int level)
  {
  - if (!isVisibleTile(position, level))
  + if (!isVisibleTile({position, level}))
  {
  return nullptr;
  }
  