fix: do not close the connection on an empty line

src/client/mod.rs

@@ -46,7 +46,7 @@ impl Client {
         let mut writer = TokioBufWriter::new(TokioTcpStream::from_std(stream.try_clone()?)?);
 
         match reader.read_line(&mut buffer).await {
-            Ok(0) => return Err(ListenerError::ConnectionError),
+            Ok(0) => return Ok(TcpListenerResult::UpdatedUser(user_state)),
             Ok(_) => {}
 
             Err(_) => {

src/ts6/mod.rs

@@ -95,7 +95,7 @@ impl Ts6 {
         let mut writer = TokioBufWriter::new(TokioTcpStream::from_std(stream.try_clone()?)?);
 
         match reader.read_line(&mut buffer).await {
-            Ok(0) => anyhow::bail!(""),
+            Ok(0) => return Ok(self_clone),
             Ok(_) => {}
 
             Err(_) => {