Elaine Low Senior TV Writer“Saturday Night Live” is giving country singer Morgan Wallen a second chance.The sketch comedy show has slated Wallen as the musical guest for Dec. 5, with host Jason Bateman after canceling his scheduled October appearance after videos surfaced of Wallen partying and kissing fans without a mask, an apparent breach of “SNL” COVID-19 safety protocols.NBC announced the “SNL” slate for the last three shows of the year, with Timothee Chalamet set to host on Dec.