fdo#85817 changed 'Document as Email' to 'Email Document'

Change-Id: I4d1bd7429c05ca22abcd1cd8efbe281fd64d4f2a
Reviewed-on: https://gerrit.libreoffice.org/12419
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>