Jasson Domínguez provided another glimpse Sunday of what’s tantalized the Yankees since they signed him as an international free agent nearly seven years ago. The switch-hitting 23-year-old, who’s been unable to prove he’s a full-time major league player, doubled twice and hit his first homer of the season in an 11-3 win over the Orioles. Starting at DH with Giancarlo Stanton on the IL with a calf injury , Domínguez took advantage of his latest opportunity — something he hasn’t always done. After going hitless in his first two at-bats, Domínguez doubled down the left field line and scored the go-ahead run in what was then a close game in the sixth.  Then came a two-run homer, from the left side, to spark a seven-run inning in the eighth, which Domínguez capped by doubling again from the right side. The Yankees have been waiting for years for Domínguez to hit consistently from that side of the plate, despite having grown up a right-handed hitter. “That’s his natural side,” Aaron Boone said.…