fix: unwrap connection for boxed stream (#3314)

If the remote sends more data than just the pnet handshake it can
be missed by the onwards boxed stream so unwrap the byte stream
which will push the extra bytes back onto the connection.

Author: achingbrain

packages/pnet/src/index.ts

@@ -144,7 +144,7 @@ class PreSharedKeyConnectionProtector implements ConnectionProtector {
       localNonce,
       remoteNonce,
       psk: this.psk,
-      maConn: connection,
+      maConn: bytes.unwrap(),
       log
     })
   }