Bugfix on SortLink viewhelper Thanks to https://github.com/Doc2k
Bugfix - Error with lowlevel extension command cleanup:missingrelations.
Bugfix - Fatal Error: Incompatiblilty Symfony\Component\Console\Command\Command::execute Thank to wrock
Bugfix in DownloadService
Migration of AfterFolderDeletedEventListener to BeforeFolderDeletedEventListener in order to properly unindex folders and subfolders
Minor bugfixes