widget: Properly remove the cursor from its old position
widget: Properly remove the cursor from its old position

https://bugzilla.gnome.org/show_bug.cgi?id=764299

saitoha/vte-sixel,saitoha/vte-sixel,thestinger/vte-ng,thestinger/vte-ng,saitoha/vte-sixel,thestinger/vte-ng