PowerPack for Beaver Builder 2.39.2

* Fix: Off-Canvas Content - Saved layouts were not getting added in dropdown due to cached AJAX URL
* Fix: Modal Box - Saved layouts were not getting added in dropdown due to cached AJAX URL
* Fix: Testimonials Slider - ADA compliance issue with slider arrow buttons
* Fix: Contact Form - ADA compliance issue with button icon
* Fix: Image - Image size issue when used in sticky header set through Beaver Themer
* Fix: Instagram Feed - Added an option to maintain width for the square layout
* Fix: Dual Button - Spacing was not working vertically when buttons get stacked at a given breakpoint
* Fix: Image Carousel - Disable thumbnail loop respecting to the Loop option to prevent image centering issues
* Fix: Content Ticker - Added missing alpha channel for Content Hover Background Color
* Fix: Info List - Icon alignement issue
* Core: Added MainWP compatibility for plugin update
* Development: Advanced Accordion - Added filter hook pp_accordion_cpt_query_args

* Enhancement: Category Grid - Added logic to exclude the current category from taxonomy archive
* Fix: Content Grid - Taxonomy filters order setting was not working when displaying only child terms
* Fix: Advanced Menu - hide-heading class was not working in mobile devices with horizontal menu
* Fix: Smart Button - Link nofollow setting was not getting saved
* Fix: Image Carousel - Keyboard navigation was not working
* Fix: Header/Footer - WPML issue
* Fix: jQuery compatibility issue since WP 5.7

* Hotfix: In some cases we found PHP warning in Header/Footer devices logic added in the last update