Bug fixes

- Email body and title configuration
- Some bug fixes and refactoring

Issue #3068719 by itamair: Better Attachments and Cacheability Leaflet (embeded|ajax) popups

• Updates loadCSS library to v2 and includes it directly in the module: https://www.drupal.org/project/critical_css/issues/3033266
• Adds hook to allow other modules to alter the file paths suggestion: https://www.drupal.org/project/critical_css/issues/3034064

#3066939: Errors when using the Link (with attributes) formatter without Enabled attributes

Bug fixes:
- checklists and multiselects did not serialize properly
- validation relied on category, which can change
- hiding the label of the markup/description element
- removing client specific requests

Features:
- added a new view for watson form content
- added action button for adding form to view

Fix of https://www.drupal.org/project/search_api_solr_pro/issues/3070077