By Jonathan Allen NEW YORK (Reuters) -A federal judge in New York on Thursday temporarily blocked parts of the state’s new gun law to allow the Gun Owners of America, an advocacy group, to pursue a lawsuit challenging the legislation. The order marks one of the most prominent victories by gun-owners’ rights groups in challenging gun restrictions around the United States since June’s landmark decision by the U.S. Supreme Court that said for the first time that Americans have a constitutional right to carry weapons in public. New York’s law came into effect on Sept. 1 and is being closely watche…