Mark Wahlberg was in Foxborough on Monday to show the new “Transformers’’ movie to friends with Hasbro (including CEO Brian Goldner) and the Mark Wahlberg Youth Foundation. The screening of “Transformers: The Last Knight’’ was hosted by Showcase LIVE at Patriot Place, and included a post-movie party where kids could play with toys (including Transformers). The movie (reviewed below) opens Wednesday.