fix(control_utils): replace pynput with readchar for Wayland-compatible keyboard listener#3130

Vinayak-Agarwal-2004 wants to merge 1 commit intohuggingface:mainhuggingface/lerobot:mainfrom

Vinayak-Agarwal-2004:fix/wayland-keyboard-listenerVinayak-Agarwal-2004/lerobot:fix/wayland-keyboard-listenerCopy head branch name to clipboard