context_server: Interpret context server command paths relative to the extension's work dir (#27201)

This PR fixes an issues where the commands returned from context server
extensions were being used as-is instead of interpreting them relative
to the extension's work dir.

Release Notes:

- Fixed an issue with context server paths not being interpreted
relative to the extension's work dir.

---------

Co-authored-by: Max Brunsfeld <maxbrunsfeld@gmail.com>
Co-authored-by: Thomas Mickley-Doyle <tmickleydoyle@gmail.com>

crates/extension_host/src/extension_host.rs

@@ -906,7 +906,10 @@ impl ExtensionStore {
                         .await
                 }
             })
-            .await?;
+            .await
+            .inspect_err(|error| {
+                util::log_err(error);
+            })?;
 
             let output_path = &extensions_dir.join(extension_id.as_ref());
             if let Some(metadata) = fs.metadata(output_path).await? {