fdo#77282 Replace "Edit Group" with "Enter Group" in Writer as in Draw

Change all occurences of "Edit Group"
Adapt text for differences Calc/writer and Impress/Draw

Change-Id: I9a226baf2990f9f84038d9baa539c0604692ecf3
Reviewed-on: https://gerrit.libreoffice.org/8944
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>