remote: Recognize WSL interop to open browser for codex web login (#44136)

Closes #41521

Release Notes:

- Fixed codex web login not working on wsl remotes if no browser is
installed

Co-authored-by: Ben Brandt <benjamin.j.brandt@gmail.com>

crates/remote_server/src/unix.rs

@@ -199,6 +199,7 @@ fn start_server(
     listeners: ServerListeners,
     log_rx: Receiver<Vec<u8>>,
     cx: &mut App,
+    is_wsl_interop: bool,
 ) -> AnyProtoClient {
     // This is the server idle timeout. If no connection comes in this timeout, the server will shut down.
     const IDLE_TIMEOUT: std::time::Duration = std::time::Duration::from_secs(10 * 60);
@@ -318,7 +319,7 @@ fn start_server(
     })
     .detach();
 
-    RemoteClient::proto_client_from_channels(incoming_rx, outgoing_tx, cx, "server")
+    RemoteClient::proto_client_from_channels(incoming_rx, outgoing_tx, cx, "server", is_wsl_interop)
 }
 
 fn init_paths() -> anyhow::Result<()> {
@@ -407,8 +408,15 @@ pub fn execute_run(
 
         HeadlessProject::init(cx);
 
+        let is_wsl_interop = if cfg!(target_os = "linux") {
+            // See: https://learn.microsoft.com/en-us/windows/wsl/filesystems#disable-interoperability
+            matches!(std::fs::read_to_string("/proc/sys/fs/binfmt_misc/WSLInterop"), Ok(s) if s.contains("enabled"))
+        } else {
+            false
+        };
+
         log::info!("gpui app started, initializing server");
-        let session = start_server(listeners, log_rx, cx);
+        let session = start_server(listeners, log_rx, cx, is_wsl_interop);
 
         GitHostingProviderRegistry::set_global(git_hosting_provider_registry, cx);
         git_hosting_providers::init(cx);