Photo: Mario Tam/Getty Images During the last month, a very sleepy California gubernatorial contest has come alive — and gone sideways. Before Eric Swalwell ’s implosion over sexual-misconduct allegations, much of the chatter about the election focused on the possibility of Democrats being “locked out” of the general election under California’s top-two primary system . Then the big question became the fate of Swalwell’s abandoned supporters. Might Tom Steyer ’s vast money machine help him