As “Stranger Things” closed out its five-season run with a long-awaited return this holiday season, the tentpole series had a seismic impact on both Netflix and the overall the TV landscape, setting records for the streamer from the jump. Taking note from its previous split-season release for Season 4, “Stranger Things 5” embraced a split release schedule over the holidays to match the hefty nature of the final season, which bid farewell to characters introduced nearly a decade ago after a four-