Go to next section/page when enter is pressed

[Its-J]

Hitting the Enter key does not continue to the next section on any page. Tested on the latest 43-gnome image.

[linear]

FYRA-437

[madonuko]

The correct item field should be activated (or it should go to the next page) when enter is pressed.

Code example here: https://github.com/Ultramarine-Linux/taidan/blob/main/src/pages/_00_language.rs#L24

We should also try to refactor this into a macro / function.