He’s leavin’ on a jet plane, don’t know if swagger will be back again… Eric Adams has spent his final weeks as New York City’s mayor flying around the world on the taxpayers’ dime — as he admits he’s hunting for a jet-setting new gig with first-class benefits. Speculation over his future job prospects comes as Hizzoner bolted to Uzbekistan in Central Asia on Tuesday, after wrapping up a high-profile, five-day jaunt in Israel. Sources said Adams is leaning toward a job offer with an Israeli-