it's not a widget context help where help about the parent widget might
help in the case of nothing available for the child widget, but help
for the specific selected command/script
see also: https://bugs.documentfoundation.org/show_bug.cgi?id=116494
Change-Id: Ib4b5650ca00c90b4b4b2a76ef0e3d8a438023327
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/168504
Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com>
Tested-by: Jenkins
