main: Always show the cursor
main: Always show the cursor

When a running cli transaction is interupted by Ctrl-C,
we exit with a hidden cursor. Add a signal handler which
shows the cursor before exiting.

Closes: #2561

Closes: #2570
Approved by: alexlarsson

matthiasclasen/flatpak,matthiasclasen/flatpak,flatpak/flatpak,flatpak/flatpak,matthiasclasen/flatpak,matthiasclasen/flatpak,flatpak/flatpak,matthiasclasen/flatpak,flatpak/flatpak,flatpak/flatpak