The staff of animation, visual effects and creative production company Framestore were hoping their work on Top Gun: Maverick would deliver a fourth Oscar last month that would be displayed at its London headquarters on Chancery Lane. Although it wasn’t to be, co-founder and chairman William Sargent will have noted that his firm lost out to a fellow Dubliner, special effects supervisor Richard Baneham, and several of the Tallaght native’s colleagues at rival Weta Digital, for their work on James Cameron’s Avatar: The Way of Water. Both films involved extensive computer-generated imagery (CGI) and special effects, which underpin the majority…