SALT LAKE CITY — Like so many others around the state and the nation, Utah Jazz owner Gail Miller took time to reflect on the life of Jerry Sloan, the much admired and respected former coach of the Jazz who died this past week. It was Miller’s late husband Larry who hired Sloan on the recommendation of Frank Layden, another keystone of the franchise, and then let him coach and coach and coach … for 23 years, an almost unheard of length of time in modern professional sports, where coaching jobs have the shelf life of doughnuts.