Nick Vivarelli International CorrespondentHigh-profile doc “The Rossellinis,” described as a tongue-in-cheek autobiographical look at the descendants of iconic Italian director Roberto Rossellini’s extended family, is among the standout world premieres in the lineup of the upcoming Venice Film Festival’s Critics’ Week.Directed by Roberto Rossellini’s grandson, Alessandro Rossellini, the doc is unspooling out of competition and will close the separately-run Venice section that will feature seven