The U.S. Supreme Court’s decision allowing states to ban abortion immediately stirred alarm Friday among LGBTQ advocates, who feared that the ruling could someday allow a rollback of legal protections for gay relationships and access to contraception.In the court’s majority opinion overturning the 1973 Roe v. Wade decision, Justice Samuel Alito said the decision applied only to abortion. But critics of the court’s conservative majority discounted that statement.And in a separate concurring opinion, Justice Clarence Thomas …