MainWP Google Analytics-Extension 6.0.5

* Added: WordPress REST API availability check along with a warning message to inform users if not available.
* Updated: Enhanced GA4 property synchronization to prevent stale mappings and improve data accuracy
* Updated: Refined widget view selection, admin messaging, site-selection persistence, token refresh, and centralized debug logging.

* Added: Automatic backfill and synchronization of missing Google Analytics properties for connected accounts.

* Fixed: License activation issue caused by incorrect product ID capitalization.
* Fixed: Potential conflicts with plugins using the same dependencies.
* Fixed: Error on some hosts where the getmypid PHP function is disabled.
* Updated: Site Settings option UI for MainWP v6 style consistency.

* Added: Support for MainWP Bridge (Sign-In Authentication) to simplify API authentication