Another compressed upfronts “week” is in the books, a three-day bender in New York with media and tech companies pitching their wares to advertisers. As with the NFL Draft or a venture capitalist’s early-stage bets, winners and losers can’t be determined overnight. But there always are initial takeaways and impressions, along with the dawning awareness that one upfront seller will soon be acquired by another. Before the Cannes Film Festival, Emmy campaign season and summer box office take the spotlight, Deadline plopped a generous handful of Alka-Seltzer tablets into a glass and took measure of this year’s TV-and- streaming spectacles.…