This way, it is possible to have all the strings translated in dialogs even
when different users use different languages.  [It was already possible
to have different languages previously, but not everything in the dialog has
switched - like the buttons at the bottom of the dialogs etc.]

Change-Id: I29a5ae6d31a370eec60397884200b684ec1bf5b9
Reviewed-on: https://gerrit.libreoffice.org/46417Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>
Reviewed-on: https://gerrit.libreoffice.org/46979Tested-by: Jenkins <ci@libreoffice.org>
(cherry picked from commit 101a79cc)