Jesse Tyler Ferguson is set to star as Truman Capote, the brilliant and troubled literary legend, in the first New York revival of “ Tru .” The solo show by Jay Presson Allen was a triumph for “Mad Man” actor Robert Morse, who won a Tony Award for his performance when “Tru” ran on Broadway in 1989. Allen directed that production. Though best known for TV’s “Modern Family,” Ferguson is no stranger to the stage, having won a Tony for his scene-stealing supporting turn in “Take Me Out.” “Tru” will