chore: Clean up util dependencies. (#9247)

This allows this crate to start building sooner + it reduces our total
build graph size by 13 units (1104 -> 1091).

Release Notes:

- N.A

crates/util/src/http.rs

@@ -1,17 +1,19 @@
 use crate::http_proxy_from_env;
 pub use anyhow::{anyhow, Result};
 use futures::future::BoxFuture;
+use futures_lite::FutureExt;
 use isahc::config::{Configurable, RedirectPolicy};
 pub use isahc::{
     http::{Method, StatusCode, Uri},
     Error,
 };
 pub use isahc::{AsyncBody, Request, Response};
-use parking_lot::Mutex;
-use smol::future::FutureExt;
 #[cfg(feature = "test-support")]
 use std::fmt;
-use std::{sync::Arc, time::Duration};
+use std::{
+    sync::{Arc, Mutex},
+    time::Duration,
+};
 pub use url::Url;
 
 /// An [`HttpClient`] that has a base URL.
@@ -31,22 +33,30 @@ impl HttpClientWithUrl {
 
     /// Returns the base URL.
     pub fn base_url(&self) -> String {
-        self.base_url.lock().clone()
+        self.base_url
+            .lock()
+            .map_or_else(|_| Default::default(), |url| url.clone())
     }
 
     /// Sets the base URL.
     pub fn set_base_url(&self, base_url: impl Into<String>) {
-        *self.base_url.lock() = base_url.into();
+        let base_url = base_url.into();
+        self.base_url
+            .lock()
+            .map(|mut url| {
+                *url = base_url;
+            })
+            .ok();
     }
 
     /// Builds a URL using the given path.
     pub fn build_url(&self, path: &str) -> String {
-        format!("{}{}", self.base_url.lock(), path)
+        format!("{}{}", self.base_url(), path)
     }
 
     /// Builds a Zed API URL using the given path.
     pub fn build_zed_api_url(&self, path: &str) -> String {
-        let base_url = self.base_url.lock().clone();
+        let base_url = self.base_url();
         let base_api_url = match base_url.as_ref() {
             "https://zed.dev" => "https://api.zed.dev",
             "https://staging.zed.dev" => "https://api-staging.zed.dev",