SAN FRANCISCO — The San Francisco Giants entered Thursday’s game looking for anything to snap their seven-game losing streak. How about a no-hit bid? Alex Wood helped the Giants to a 4-2 win by holding the flailing Chicago Cubs hitless through his first six innings, a bid broken up by Ian Happ’s single up the middle to start the seventh inning. Patrick Wisdom made that hit pay with a two-run that bounced off the wall in left field, cutting what was a Giants’ four-run lead in half and forcing Wood out of the game. Joc Pederson almost made a play on Wisdom’s home run, but hit the wall hard and w…