fix(sender): interpret all errors in confirmation recv as timeout

src/sender.rs

@@ -1,7 +1,4 @@
-use std::{
-    io::{self, ErrorKind},
-    net::UdpSocket,
-};
+use std::{io, net::UdpSocket};
 
 use image::{Rgb, RgbImage};
 use thiserror::Error;
@@ -73,12 +70,9 @@ pub fn send_frame(
     }
 
     let mut buf = vec![0; 100];
-    let len = match socket.recv(&mut buf) {
-        Ok(len) => len,
-        //Err(e) if e.kind() == ErrorKind::TimedOut => return Err(SenderError::ConfirmationTimeout),
-        Err(e)  => return Err(SenderError::ConfirmationTimeout),
-        Err(e) => return Err(SenderError::Io(e)),
-    };
+    let len = socket
+        .recv(&mut buf)
+        .map_err(|_| SenderError::ConfirmationTimeout)?;
     let buf = &buf[..len];
     let response_frame_num = u32::from_be_bytes(
         buf.try_into()