It is Wednesday afternoon, the day after the Chris Kelly Group has soft-opened the biggest new hospitality venue in Dublin in many years. Called Old Fashioned Sam’s, the 10,000 sq ft new multi-bar and bistro venue is deceptively large.  Spread across different levels in the heart of Dublin 2, it can hold 900 people, putting it up there in terms of capacity with House on Lower Leeson Street and Café en Seine on Dawson Street.  At a time when bars across Ireland are closing under pressure due to rising costs, the new purpose-built venue will employ 70 people. It is…