If you’re searching for enjoyable entertainment, “Love Sarah,” directed by Eliza Schroeder, is difficult to fault. It's possible to suggest that the film leans too heavily into being agreeable, but sometimes a heartwarming story with likable characters can be just what’s needed to brighten a bad day. Following the unexpected death of her mother Sarah (Candice Brown), Clarissa’s (Shannon Tarbet) life takes an abrup…