The wait is over. The doors of Richmond High School for the Arts are finally open after construction began three years ago. The 14,000 square foot auditorium, which includes a balcony and can seat more than 900 students. (Photos by Victoria A. Ifatusin/The Richmonder)The nearly 300,000-square-foot building, capable of holding just under 2,000 students, cost the division about $150 million with the help of the city’s meal tax. The division agreed…