removed yield and added small async sleep in async loop (#1176)

* removed yield and added small async sleep in async loop

* fixed linter error

server/src/main.rs

@@ -33,7 +33,6 @@ use rest::init::start_api_thread;
 use serialport::UsbPortInfo;
 use smol::{
     channel::{Receiver, Sender},
-    future,
     lock::RwLock,
 };
 use socketioxide::extract::SocketRef;
@@ -413,7 +412,7 @@ fn main() {
                     app_state.clone(),
                 ));
             }
-            future::yield_now().await;
+            smol::Timer::after(Duration::from_micros(150)).await;
         }
     });
 }