As a film bearing Dreamworks's great expectations and the scrutiny of so many religious advisers, ''The Prince of Egypt'' is one animated biblical epic with understandable jitters. What it meant to achieve, a new breakthrough for the animator's art and a sacrosanct yet frisky entertainment for viewers large and small, may have been as impossible as it sounds. But ''The Prince of Egypt'' is a well-made work with much to recommend it, even if its worthiness is not the brightest flare on the movie horizon this season.