fdo#86592 Fix radio button’s groups

Change-Id: I861a8f38adf8bb2bda193befe100ba535eef83ba
Reviewed-on: https://gerrit.libreoffice.org/13691
Reviewed-by: Yousuf Philips <philipz85@hotmail.com>
Tested-by: Yousuf Philips <philipz85@hotmail.com>