Fix bug where --no-binary :all: prevented build of editable packages (#2393)

Closes https://github.com/astral-sh/uv/issues/2343

crates/uv-dispatch/src/lib.rs

@@ -280,7 +280,10 @@ impl<'a> BuildContext for BuildDispatch<'a> {
         build_kind: BuildKind,
     ) -> Result<SourceBuild> {
         match self.no_build {
-            NoBuild::All => bail!("Building source distributions is disabled"),
+            NoBuild::All => debug_assert!(
+                matches!(build_kind, BuildKind::Editable),
+                "Only editable builds are exempt from 'no build' checks"
+            ),
             NoBuild::None => {}
             NoBuild::Packages(packages) => {
                 if let Some(dist) = dist {