terminal: make input responsible for echo to keep commands synchronous (as in mobile) and avoid echo delays (#343)

* terminal: make input responsible for echo to keep commands synchronous (as in mobile) and avoid echo delays

* use echo

Co-authored-by: Efim Poberezkin <8711996+efim-poberezkin@users.noreply.github.com>

Co-authored-by: Efim Poberezkin <8711996+efim-poberezkin@users.noreply.github.com>

src/Simplex/Chat/Mobile.hs

@@ -1,6 +1,5 @@
 {-# LANGUAGE DeriveGeneric #-}
 {-# LANGUAGE DuplicateRecordFields #-}
-{-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE NamedFieldPuns #-}
 {-# LANGUAGE OverloadedStrings #-}