Emergency plugin prefs UI tweaks
This adds the emergency plugin prefs to the screenshots as well and tweaks the window title (so it can ellipsize), uses a larger default size so things aren't fiddly on mobile and makes sure translations can be uses in p-m-s as well.
See https://gitlab.gnome.org/guidog/phosh/-/jobs/2588967/artifacts/file/screenshots/uk_UA.UTF-8.png for how it looks in CI (which currently doesn't use an OSK) so here it is with OSK:
Somewhat unrelated it makes sure that the ticket-box plugin doesn't throw any warnings when the dir doesn't exist.
/cc @kop3161