Danielle Turchiano Senior Features Editor, TVSPOILER ALERT: Do not read if you have not watched “Testimony,” the penultimate episode of “The Morning Show” Season 2, streaming now on Apple TV Plus.How should you remember a once-beloved public figure who fell from grace when it turned out he was a sexual predator?After an episode in which “The Morning Show” characters are scrambling to confirm the death of their former colleague Mitch Kessler (Steve Carell), they are faced with his memorial in