One more silver lining to the end of “Lost”? We’ll no longer be plagued by the internal debate about which to watch in real time—”Lost” or “Glee.” Because you were no doubt curious to see which candidate is taking over for Jacob in the last regular episode of the former, you probably missed last night’s amazing “Glee” episode, which featured Neil Patrick Harris along with Idina Menzel. Never fear. Here is the highlight—Neil and Matthew Morrison’s “Dream On” duet. You are welcome.