message: Fix world builder core map
diff: @@ -1951,7 +1951,7 @@ class CvWorldBuilderScreen:
  CyEngine().fillAreaBorderPlotAlt(x, y, 1001, "COLOR_RED", 0.7)
  # Additional cities outside flipzone (Canada)
  - lExtraCities = rnf.getConvertedCities(self.m_iCurrentPlayer)
  + lExtraCities = getConvertedCities(self.m_iCurrentPlayer)
  for city in lExtraCities:
  x, y = location(city)
  if (x, y) not in lHumanPlotList and (x, y) not in lAIPlotList:
  