fix: Handle the websocet in handle_socket itself

I have removed the task spwaning in `handle_socket` function, because Salvo
already spawn `handle_socket` function in a new task when upgrading the
connection to websocket. So, there is no need to spawn a new task in
`handle_socket` function.

refs:
- Salvo task spawning: https://github.com/salvo-rs/salvo/blob/main/crates/extra/src/websocket.rs#L247-L256

Reviewed-on: #34
Reviewed-by: Amjad Alsharafi <me@amjad.alsharafi.dev>
Signed-off-by: Awiteb <a@4rs.nl>

crates/oxidetalis/src/websocket/mod.rs

@@ -148,17 +148,14 @@ async fn handle_socket(
     // TODO: Send the incoming chat request to the user, while they are offline.
     // This after adding last_login col to the user table
 
-    let fut = async move {
     while let Some(Ok(msg)) = user_ws_receiver.next().await {
         match handle_ws_msg(msg, &nonce_cache, &user_shared_secret).await {
             Ok(event) => {
                 if let Some(server_event) =
                     handle_events(event, &db_conn, &conn_id, user.as_ref()).await
                 {
-                        if let Err(err) = sender.unbounded_send(Ok(server_event
+                    if let Err(err) = sender
-                            .sign(&user_shared_secret)
+                        .unbounded_send(Ok(server_event.sign(&user_shared_secret).as_ref().into()))
-                            .as_ref()
-                            .into()))
                     {
                         log::error!("Websocket Error: {err}");
                         break;
@@ -178,8 +175,6 @@ async fn handle_socket(
         };
     }
     user_disconnected(&db_conn, &conn_id, &user_public_key, user).await;
-    };
-    tokio_spawn(fut);
 }
 
 /// Handle websocket msg