Update rpc.rs

Add a todo

mm2src/mm2_main/src/rpc.rs

@@ -344,6 +344,7 @@ pub extern "C" fn spawn_rpc(ctx_h: u32) {
         let (tx, rx) = oneshot::channel();
         // We execute the request in a separate task to avoid it being left uncompleted if the client disconnects.
         // So what's inside the spawn here will complete till completion (or panic).
+        // TODO: Figure out whether we could configure hyper to follow such a behavior.
         common::executor::spawn(async move {
             if is_event_stream_enabled && req.uri().path() == SSE_ENDPOINT {
                 tx.send(handle_sse(req, ctx_h).await).ok();