Jill Goldsmith Co-Business EditorNew York City could have 40 or more productions underway by year end, bringing it decisively back to pre-COVID-19 levels as an industry ramp-up that started in September gathers steam into the fall.That’s great news for the entertainment business, a welcome shot to the local economy and a heartening boost of in-person bustle — with strict protocols — in a city where block after block of offices towers sit empty, tourism is shot and unemployment soaring.“The