When I connect with Alicia Silverstone on Zoom, she’s in animal rescue mode.  “Why is your collar so tight?” she says to the off-screen canine who’s materialized at her side in the sunny loft where she’s crashing for her New York stay. Her friend’s dog declines the assist: “He doesn’t want me to,” she says when she reaches down to loosen his collar. Ah well. The Los Angeles-based Silverstone is a longtime dog person; at one point, she tells me, she had 11 dogs. “It was insane, but it was