With the release of https://www.drupal.org/project/smart_date/releases/4.1.0 → comes new filter which does the same, therefore we can replace it.
* Remove openculturas_custom_module_implements_alter, openculturas_custom_views_plugins_filter_alter
* Write update hook which replace the views filter operator starts_on_after or ends_on_after with daterange_starts_or_ends
Fixed
2.2
Code