By Emma Farge GENEVA (Reuters) -The U.N. rights council on Thursday voted down a Western-led motion to hold a debate about alleged human rights abuses by China against Uyghurs and other Muslims in Xinjiang in a victory for Beijing as it seeks to avoid further scrutiny. The defeat — 19 against, 17 for, 11 abstentions — is only the second time in the council’s 16-year history that a motion has been rejected and is seen by observers as a setback to both accountability efforts, the West’s moral authority on human rights and the credibility of the United Nations itself. The United States, Canada …