Bug fixes

Fixes the following bug: https://www.drupal.org/project/views_pretty_path/issues/3115664

Two minor improvements for 1.18 that make the upgrade path smoother for some users.

Improved API

The filter has to be run the last.

- Resolved a bug when extracting concepts from a file with a PowerTagging configuration with ConceptScheme restrictions.
- Fixed PHP warnings for PHP version 7.3+.
- Added a date selection filter for batch tagging.