Only compress web assets in the CLI (#2329)

* only compress web assets in the CLI

* precompressed -> pre-compressed

* only enable pre-compression in release builds

packages/cli/src/tools.rs

@@ -365,7 +365,6 @@ pub fn extract_zip(file: &Path, target: &Path) -> anyhow::Result<()> {
 #[cfg(test)]
 mod test {
     use super::*;
-    use std::path::PathBuf;
     use tempfile::tempdir;
 
     #[test]