[5.2] Fixed a set of options for the demo data plugin#44166

pe7er merged 4 commits intojoomla:5.2-devjoomla/joomla-cms:5.2-devfrom

Kostelano:5-2-mod-art-plg-sampleKostelano/joomla-cms:5-2-mod-art-plg-sampleCopy head branch name to clipboard