HONG KONG — The noodle shop was doing a brisk Friday evening business, with diners crowded at shared tables.... Eni Lestari, a migrant domestic worker in Hong Kong, spotted a seat near another woman and hurried to claim it. Suddenly, the woman stood, and, according to Ms.... But hours earlier, the Hong Kong government had ordered virtually all of the city’s 370, 000 migrant domestic workers — mostly Southeast Asian women in an otherwise largely racially homogeneous city — to take coronavirus t