Pairing a museum visit with a stop-off for ice cream afterward is a winning combination for everyone in the family. Here, some under-the-radar museums with celebratory cold treats just a lick away from all that culture. Street life At the Museum of Food and Drink tucked right above Time Out Market in Dumbo (55 Water St.), check out the “Street Food City” exhibit, which covers the historic importance of our sidewalk vendors, who keep us fueled with halal plates, hot dogs or those iconic warm