Kylie Jenner Refuses to Talk About Timothée Chalamet in New Interview

Kylie Jenner didn't want to talk about her boyfriend, Timothée Chalamet, in a new high-profile interview -- and that includes punting on the issue of him "changing" her style. The beauty mogul spoke to the NYT Thursday about a wide range of topics -- and, of course, the topic of her relationship with Timbo came up in conversation ... albeit, very briefly ... 'cause it was clear Kylie didn't wanna delve into her…