Kodai Senga made a bittersweet comeback from a shoulder injury, securing his 100th career win in dominant fashion, only to leave the New York Mets’ 8-4 victory over the Atlanta Braves with an injury on Friday. Senga, who hurt his shoulder in spring training, allowed two runs over 5-1/3 innings at New York’s Citi Field. As he moved away from a pop fly behind the mound at the start of the Braves’ sixth inning, Senga clutched his left calf and crumpled to the turf. The 31-year-old right-hander, who had been on the injured list since the start of the season, allowed two hits, including a two-run s…