By Dan Weil While workers for many major companies are returning to the office, Facebook heavyweights are bucking the trend. Many major companies, including Alphabet (GOOGL) – Get Alphabet Inc. Class A Report, Twitter (TWTR) – Get Twitter, Inc. Report, Citigroup (C) – Get Citigroup Inc. Report and Bank of New York Mellon (BK) – Get Bank of New York Mellon Corporation Report, are bringing their workers back to the office this month. But top Meta Platforms (FB) – Get Meta Platforms Inc. Class A Report (formerly Facebook) executives are moving in the opposite direction. They’re dispersing worldwi…