SPOILER ALERT: This contains spoilers from “Yellowjackets” Season 2, now streaming on Showtime. Is adult Lottie Matthews OK? That’s the question asked by viewers at the start of Showtime’s “Yellowjackets” Season 2. Charlotte, as she calls herself, played by Simone Kessell (“Obi-Wan Kenobi,” “The Night Agent”), runs a “wellness center” or mental health retreat. She […]