More phpstorm inspection fixes

lib/private/Activity/Manager.php

lib/private/AllConfig.php

lib/private/App/DependencyAnalyzer.php

lib/private/App/InfoParser.php

lib/private/AppFramework/DependencyInjection/DIContainer.php

lib/private/Archive/Archive.php

lib/private/Archive/TAR.php

lib/private/Archive/ZIP.php

lib/private/Authentication/Token/DefaultTokenMapper.php

lib/private/Command/AsyncBus.php

lib/private/Files/ObjectStore/S3.php

lib/private/Mail/Mailer.php

lib/private/Mail/Message.php

lib/private/Memcache/Memcached.php

lib/private/Memcache/XCache.php

lib/private/Notification/Manager.php

lib/private/Preview/Bitmap.php

lib/private/Preview/Office.php

lib/private/Preview/SVG.php

lib/private/Repair/CleanTags.php