LOS ANGELES — Elmo and Cookie Monster are reaching out to young children confused at being stuck at home during the coronavirus epidemic with a special “Sesame Street” episode airing next week.“Hamilton” creator Lin-Manuel Miranda and actors Anne Hathaway and Tracee Ellis Ross will be celebrity guests in the 30-minute “Sesame Street: Elmo’s Playdate” that is aimed at entertaining kids and their families during uncertain times, broadcaster WarnerMedia and Sesame Workshop said on Wednesday.“We hope ‘Sesame Street: Elmo’s Playdate’ will entertain and delight families at a moment when so many are feeling isolated and overwhelmed by current events,” said Steve Youngwood, president of Sesame Workshop.The April 14 show, in a video conferencing