Nick Vivarelli International CorrespondentItaly’s 66th David di Donatello Awards are set to celebrate on May 11 a year of resilience for Cinema Italiano that also looks likely to germinate some creative renewal, just as Italian movie theaters start to reopen and production is booming.Giorgio Diritti’s biopic “Hidden Away,” about crazed primitivist painter Antonio Ligabue, Gianni Amelio’s wistful “Hammamet,” which reconstructs the Tunisian self-exile of scandal-plagued Italian leader Bettino