[5.0] Add proper error handling for public folder cli installation#42168

richard67 merged 2 commits intojoomla:5.0-devjoomla/joomla-cms:5.0-devfrom

HLeithner:5.0/fix/publicfoldercliinstallHLeithner/joomla-cms:5.0/fix/publicfoldercliinstallCopy head branch name to clipboard