* ADD: `Register user` notification for booking form;
* ADD: `Call a Webhook` notification for booking form;
* ADD: `Field Visibility` option for Booking form fields;
* ADD: `Post status` option for Insert post notification in Booking form;
* ADD: Allow to use dynamic popups from JetPopup inside listing and calendar;
* ADD: Mobile settings for image gallery slider in Dynamic Field widget;
* ADD: Allow to set meta field width;
* UPD: Allow to showcase listing grid as slider;
* UPD: Allow to set equal columns height for listing grid widget;
* UPD: Cross-browser Date- and Timepicker for meta fields;
* FIX: Allow to use shortcode in Not Found Message control;
* FIX: Mobile columns in Listing Grid widget.