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>
Merge branch 'gpaste-3.10' into gpaste-3.12

* gpaste-3.10:
  update translations
  gpasted: emit changed on startup
  gnome-shell: prevent multi-destroy
  item: be as lazy as possible on text change