The Singapore-headquartered company filed confidentially for a listing in New York, a person familiar with the matter has said, weeks after Bloomberg News reported that it could seek a valuation of as much as $90 billion in a first-time share sale. If it sold a 10 percent stake, raising about $9 billion at that valuation, it would be the fifth largest consumer company IPO of all time, just behind Porsche AG’s $9.1 billion 2021 listing,…