Merge pull request #9420 from nextcloud/feature/5263/cleanup_previes

apps/theming/tests/IconBuilderTest.php

lib/composer/composer/autoload_classmap.php

lib/composer/composer/autoload_static.php

lib/private/Files/AppData/AppData.php

lib/private/Files/AppData/Factory.php

lib/private/Preview/BackgroundCleanupJob.php

lib/private/Preview/Watcher.php

lib/private/Preview/WatcherConnector.php

lib/private/Repair.php

lib/private/Repair/NC14/AddPreviewBackgroundCleanupJob.php

lib/private/Setup.php

lib/public/Files/SimpleFS/ISimpleRoot.php

tests/Core/Controller/CssControllerTest.php

tests/Core/Controller/JsControllerTest.php

tests/lib/App/AppStore/Fetcher/AppFetcherTest.php

tests/lib/App/AppStore/Fetcher/FetcherBase.php

tests/lib/Preview/BackgroundCleanupJobTest.php

tests/lib/Security/IdentityProof/ManagerTest.php

tests/lib/Template/CSSResourceLocatorTest.php

tests/lib/Template/SCSSCacherTest.php