Astra Pro - Extend Astra Theme With the Pro Addon 4.8.6

- Improvement: Added compatibility of 'Display on Mobile' option with all 'Section' options with Above and Below Header.
- Improvement: Added support for file generation option to work in individual sites on multisite setup.
- Fix: Student Gravatar customizer option missing in Learndash 3.0 template.
- Fix: Unable to copy paste or type RGBA color code in color picker.
- Fix: Updated Iris library for Color Picker.
- Fix: Undefined url and path PHP notice in some cases.
- Fix: PHP warnings for undefined notice in Spacing Addon.
- Fix: Transparent header jittery issue with animation on mobile.
- Fix: Footer widget line height round off issue.
- Fix: Line height round off issue in WooCommerce product title on single product and product archive page.

- Fix: Astra Addon minimum version notice appearing in some cases even after Astra Addon is updated.

- Fix: Custom Layouts built with Thrive and Divi not working.