T MAGAZINE FEATURED Jenna Lyons‘ new Soho loft yesterday, sending décor enthusiasts’ hearts aflutter. No longer with J.Crew after 27 years (ten of those years as creative director and eight as president), Lyons has been taking some time off in her newly redesigned apartment, a 3,500-square-foot loft on the fourth floor of a 19th-century cast-iron building in SoHo