Rosie O’Donnell is having some trouble selling her $6 million Saddle River mansion.The New Jersey property has been on the market for the past five years — and still can’t find a buyer, The Post can report. O’Donnell, 58, who is currently filming the new season of Showtime’s “The L Word,” first bought the home in 2013 for $6.3 million. According to New Jersey property records, she decided to list the home two years later, in July 2015 for nearly $7 million.