With the Will & Grace revival’s Season 3 renewal announcement, fans rejoiced at PaleyFest in Los Angeles on Saturday. This will also be a longer run than the previous season, said creator/executive producer Max Mutchnick. “We have been picked up for five more episodes next year, so we're not doing 13, we're doing 18,” he said, while cast members Debra Messing and Eric McCormack got up and did a little dance on the PaleyFest stage, and Megan Mullally kicked up her legs up…