ThemeIsle - Zerif Pro 2.1.6

**Changes:**
* [Fix] Compatibility with WP 5.5
* [Fix] Notices in Useful Plugins section
* [Fix] Removed whitespace in home url

**Changes:**
* Fixed smooth scroll mechanism

* Fix Zerif Pro Options page that was not loading

- Compatibility with Elementor Pro 2.0 theme locations API
- Allow links in the Our focus section to smooth scroll to other frontpage sections
- Centered items in the Portfolio section
- Allow HTML tags in the Title and Subtitle fields of the Shortcodes section
- Recommend Orbit Fox plugin
- New option to allow any form shortcode in the Contact section
- Updated the color picker control in the Shortcodes section
- Added compatibility with Dokan Multivendor Marketplace plugin
- Small UX Customizer improvements
- Fixed issue with the default color of the package title in the Packages section
- Fixed alignment issue in the Clients Bar section when there is more than one row

- Fixed issue with untranslatable strings in Contact us section and updated the .pot file
- Added an option for Slider shortcodes in Big title section
- Fixed issue with WooCommerce latest update and gallery images
- Fixed issue with slower loading big title section