message: Fix duplicate city flips
diff: @@ -1721,6 +1721,7 @@ class RiseAndFall:
  x, y = Areas.getCapital(iByzantium)
  for city in utils.getCityList(iRome):
  if city.getX() >= x-1 and city.getY() <= y:
  + if (city.getX(), city.getY()) not in lPlots:
  lCities.append(city)
  # Leoreth: Canada also flips English/American/French cities in the Canada region
  