Studio Doesn't Respect --host ENV

[R-K-H]

surfpool/crates/studio/build.rs

Line 14 in 212b68d

let url = "https://txtx-public.s3.amazonaws.com/surfpool-studio-ui/latest.zip";

I'd like to be able to build the frontend locally, and if I can't then it's trying to connect to 0.0.0.0 and/or 127.0.0.1 I'd love to be able to have it pass as a SURFPOOL_HOST = NEXT_HOST or something.