SPOILER ALERT: This post contains spoilers from “If Then,” the sixth episode of “ The Morning Show ” Season 4, now streaming on Apple TV. Ladies and gentleman, Stella Bak has left the building. And the country. And the show. In the sixth episode of the” fourth season of “The Morning Show,” the tech genius turned news division leader at UBN played by Greta Lee saw the carefully curated and swiftly ascendant life she built for herself come crashing down on top of her –– in front of 200