[5.2] Set column alias for BannerTable, fix warning on Save As Copy#44864

pe7er merged 3 commits intojoomla:5.2-devjoomla/joomla-cms:5.2-devfrom

joomdonation:fix_warning_save_as_copy_bannerjoomdonation/joomla-cms:fix_warning_save_as_copy_bannerCopy head branch name to clipboard