Nick Vivarelli International CorrespondentItaly’s Prime Minister Giuseppe Conte in early July quietly made a surprise appearance at an open-air film screening in Rome’s central Piazza San Cosimato, where the country’s leader and his girlfriend wore masks and sat on pillows in a socially distanced spot on the pavement.They attended the thriving “Il Cinema in Piazza” summer arena amid 1,000 spectators who had each passed a thermoscanner before settling down on their free, pre-booked spot to watch