Steakhouse chain Sizzler is making a comeback with a new, refreshed look, even as the quick-service restaurant sector continues to face a challenging environment that has prompted countless closures.  Creative agency Tavern, tasked with helping the brand reinvent itself, said the steakhouse had been a pop culture icon in the 1980s and 1990s on the West Coast, but “over the years the brand faced an identity crisis and lost its way.” Today, the agency said, “most Californians don’t even know