XMLTextParagraphExport::ExportContentControl() disables the export of
the <loext:list-item> XML element in autostyle mode, then it should also
disable the export of the matching attributes.
Change-Id: Ia65fc8bd3398df0ab1b71973695c9bc8d10deaa4
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/137452
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
Tested-by: Jenkins