CATE CADELL  CHINESE officials on Monday said Sweden's H&M and other foreign brands should not make rash moves or step into politics after the companies raised concerns about forced labour in Xinjiang, sparking a furious online backlash and boycotts. H&M, Burberry, Nike, Adidas and other Western brands have been hit by consumer boycotts in China since last week over comments about their sourcing of cotton in Xinjiang. The growing rift comes as the United States and other Western governments increase pressure on China over suspected human rights abuses in the Chinese province. "I don't think a company should politicize its…