fdo#86871 (part) replace "..." in UI buttons

Replace single ellipsis in buttons of sc/

Change-Id: Iace6689aba7d57c6d72074118521907bf67d6f26
Reviewed-on: https://gerrit.libreoffice.org/13339
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>