One of Hong Kong’s biggest supermarket chains, Wellcome, will participate in the latest round of HK$81 billion (US$10.3 billion) wage subsidies, conceding to government demands to offer discounts in return, the Post has learned, even as the total number of applications for the scheme dropped significantly.A total of 184,723 applications were made by Sunday’s deadline for the second instalment of the six-month Employment Support Scheme (ESS), the government announced on Monday.According to…