Astra Premium Sites 4.4.8

- Hot Fix: Removed wp-editor dependency.

- New: Astra Sites is now **Starter Templates**
- New: Added favorite or unfavorite the demo site.
- New: Improve the sites and pages loading time speed.
- New: Added block import support with 200+ blocks in the Elementor editor window.
- New: Added single page import as Elementor template in the Elementor editor window.
- New: Added single page import support from any demo site with 1800+ pages.
- Improvement: Showing all Astra sites with more user-friendly and interactive UI.
- Improvement: Updated the Astra Notices library.

- Security Fix: Cross-site scripting (XSS) vulnerability.