Revision of the EasySocial component

• Installer and component work on Joomla 5.3.x, 5.4.x and 6.0
• All themes: code corrected
• Replaced old Joomla legacy calls
• Modules adapted, tested and working
• Plugins refactored and working
• Frontend views and -features corrected and functional
• Component can easily be installed over older versions
• Dashboard, stream, file-uploads and -handling revised and functional
• Various DB-queries adapted/rewritten
• Refined inst.-routine now installs all plugins successfully in Joomla 6.0
• Installed languages remain active