It was a momentous project — to turn a disused Dell factory in a Limerick industrial estate into a vast TV and film studio space. Refurbishment of the 350,000 square-foot hub started in 2016 and the following year Troy Studios became a reality.  “Other people saw a derelict building, I saw a studio. I saw stages,” Súin Ní Raghallaigh, former Troy studio boss and CEO of the famed Ardmore Studios in Bray, told The Irish Times after its opening. Ní Raghallaigh, later a chair of the RTÉ board, was central to the project’s realisation along with Ossie Kilkenny, a former…