Convert RID_SVX_MDLG_HANGULHANJA_EDIT to Widget Layout.

Change-Id: I63d61a9caeb356e6b5bd340c1f9a5415869a91a1
Reviewed-on: https://gerrit.libreoffice.org/10518
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>