and SvxStyleToolBoxControl, etc.
use a GtkOverlay to support the submenu hackery in the Style
wysiwyg combobox dropdown
Change-Id: I17baa56f382243070ee49e6d707e97324e4f4d67
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/85720
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>