Amanda Seyfried and Mark Wahlberg filmed an outdoor scene for “Ted 2” on Friday. Seyfried, who likes to bring her dog Finn just about everywhere, was also seen dining at Stephanie’s on Newbury Street twice over the weekend. According to the Internet Movie Database, a few locals have joined the “Ted 2” cast in tiny roles. Becki Dennis is playing a receptionist, and Elaine Victoria Grey is playing a library patron. . . . Yankee Jacoby Ellsbury, his teammate Brian McCann, and manager Joe Girardi dined separately at Strega North End over the weekend. Derek Jeter opted to take frends to Strega Waterfront.