item: be as lazy as possible on text change

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
gnome-shell: prevent multi-destroy

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
gpasted: emit changed on startup

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
update translations

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>