Dual national gymnast Kaylia Nemour won Algeria’s first Olympic gold in gymnastics — leaving France, for whom she competed for until 2021, to wonder what might have been. A 17-year-old native of Indre-en-Loire, Nemour began competing for Algeria three years ago after a dispute between the French gymnastics federation and her club, Avoine-Beaumont, where she continues to train in western France. The standoff emerged from a debate over how best to handle an injury caused by a growth spurt. The French gymnastics federation’s insistence that Nemour be gradually reintroduced to the sport saw her fr…