Make `car2` a type of `Car` instead of `ConvertibleCar` as per article#48495

BillWagner merged 1 commit intodotnet:maindotnet/docs:mainfrom

BartoszKlonowski:48486/fix/test-cars-new-operatorBartoszKlonowski/docs:48486/fix/test-cars-new-operatorCopy head branch name to clipboard