On November 14, 2021, New York’s Teatro Grattacielo presented a semi-staged production of Pietro Mascagni’s “L’Amico Fritz.” Unlike his hit, “Cavalleria rusticana,” Mascagni’s second opera orbits the far reaches of the standard repertoire. I give the company credit for reviving the somewhat charming opera, but there were misfires in the musical execution and elsewhere that marred the production, leaving me {…}