Who is Fleabag? She still doesn’t have a name, but she is “just a girl with no friends and an empty heart … by your own description,” a therapist (Fiona Shaw) repeats back to her. Fleabag (Phoebe Waller-Bridge) glances briefly at the camera, her confidant, with a purposeful look. It’s one she gives many times over the course of the new season, which picks up just over a year since we last saw the character in her time, and three years since we’ve seen her in our own. Season 1 ended with a tear-streaked Fleabag on …