Better wording: "Add Separator" instead of "Begin Group"
Better wording: "Add Separator" instead of "Begin Group"

This is the command that adds a Separator to the toolbar or menu

Change-Id: I38bb449b6f34b6fc80bbbe6c0161d3346f785888
Reviewed-on: https://gerrit.libreoffice.org/6088
Reviewed-by: Michael Stahl <eef8671db506f9731c0438a7613853b6391ca841@redhat.com>
Tested-by: Michael Stahl <eef8671db506f9731c0438a7613853b6391ca841@redhat.com>

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core