In order to eventually get the Calc-specific dialogs in the mobile
app, too.

Change-Id: I30b64512b38d37ceab5706851c211ff5cf73764e
(cherry picked from commit 1bfd9d0d)
Reviewed-on: https://gerrit.libreoffice.org/62916Reviewed-by: Tor Lillqvist <tml@collabora.com>
Tested-by: Tor Lillqvist <tml@collabora.com>