Astra Premium Sites 4.1.7

- Improvement: Set the max height for the website image from the website preview window.

- New: Improve the user experience by removing unnecessary steps required in importing a site. Now an Astra site can be imported with just one click.
- New: Display page builder selection only once on the first load of Astra Sites.
- New: Take a backup of customizer options before importing new settings.
- New: Allow to reset the previously imported site when importing multiple Astra sites.

- Improvement: Added backward compatibility for filter `wp_check_filetype_and_ext` which accepts 5 parameter after WordPress version 5.1.