[TASK] Added date filtersets for all FE plugins

Classes/Controller/LatestController.php

Classes/Controller/ListByCategoryController.php

Classes/Controller/NewsFeedController.php

Classes/Controller/OverviewController.php

Classes/Controller/PageBrowserController.php

Classes/Domain/Repository/NewsRepository.php

Configuration/FlexForms/Latest.xml

Configuration/FlexForms/ListByCategory.xml

Configuration/FlexForms/Overview.xml

Resources/Private/Language/de.locallang_db.xlf

Resources/Private/Language/locallang_db.xlf