Morticia would approve. The Kardashian-Barker clan stepped over to the dark side at Tuesday’s Los Angeles premiere of “Travis Barker: Louder Than Fear” at the Academy Museum. Kourtney Kardashian slipped into vintage black Saint Laurent while stepdaughter Alabama Barker resurrected a plum-colored archival Dolce & Gabbana corset gown — and alongside Travis and the rest of his brood, they drew comparisons to fiction’s first family of goth. “I’m gonna tell my kids this was the Addams family,” one fan wrote in Alabama’s Instagram comments. “It’s giving Adam’s [sic] family,” others added, racking up 15,000 likes and joining dozens of others…
