fdo#85817 rename Document as E-mail to E-mail Document

Change-Id: I4897c43ae12fcb317f04c1d982e213f061786e58
Reviewed-on: https://gerrit.libreoffice.org/12490
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>