Fix landing slippy map on FF
Fix landing slippy map on FF

sseguku/simplecensusug,sseguku/simplecensusug,Code4SA/censusreporter,Code4SA/censusreporter,4bic/censusreporter,4bic/censusreporter,sseguku/simplecensusug,Code4SA/censusreporter,Code4SA/censusreporter,4bic/censusreporter