fix method signatures of `#invoke` in some `NonJsonApiController`

lib/classes/JsonApi/Routes/Courseware/BlocksCopy.php

lib/classes/JsonApi/Routes/Courseware/ContainersCopy.php

...sses/JsonApi/Routes/Courseware/StructuralElementsCopy.php

...onApi/Routes/Courseware/StructuralElementsImageDelete.php

...onApi/Routes/Courseware/StructuralElementsImageUpload.php

lib/classes/JsonApi/Routes/Events/UserEventsIcal.php

lib/classes/JsonApi/Routes/Files/FileRefsContentShow.php

lib/classes/JsonApi/Routes/Files/FileRefsContentUpdate.php

lib/classes/JsonApi/Routes/Files/FoldersCopy.php