BuddyX Pro Demo Importer v3.0.0

= 3.0.0 =
* Added WbCom Essential to demo plugins list.
* Updated import plugins list for smoother setup.
* Updated versions for WbCom Essential and BuddyBoss Platform.
* Updated LearnPress, Tutor LMS, LifterLMS, and LearnDash demo content files.
* Updated Dokan demo content for improved compatibility.
* Added suggestion notice for updating permalink structure.
* Fixed plugin activation and undefined index notices.
* Resolved fatal error related to `plugin.php` file inclusion.
* Fixed `is_plugin_active` plugin issue.
* Replaced custom menu link URLs with preview URLs.
* Addressed notice and warning issues.
* Removed unused images to optimize resources.
* Updated BuddyX Pro demo importer with One Click Demo Import for seamless user experience.