WP Optimize Premium 3.7.1

* FEATURE: Premium - Smush - Bulk compress / restore from media library
* FIX: Deactivate the form for minifying JS/CSS settings when the corresponding option is disabled
* REFACTOR: The functionality for the 'Unused Images' feature in ACF has been moved to a separate class
* TWEAK: Add UpdraftCentral commands for the latest WP-Optimize features
* TWEAK: Adjusted the scheduled preload time for improved performance
* TWEAK: Auto-update advanced-cache.php settings during site migration
* TWEAK: Cache - Human-readable file names for the cache directory
* TWEAK: Caching related cron jobs are activated even though cache is disabled
* TWEAK: Image compression - Updated message for restoring images action
* TWEAK: Implement Heartbeat API for image compression progress updates
* TWEAK: Improving vendor autoload
* TWEAK: Introduces a hook (`wpo_force_webp_serve_using_altered_html`) for changing WebP serving method
* TWEAK: Minify - Exclude .min files from minification
* TWEAK: Minify - Improve list of processed files UI
* TWEAK: Optimization of the get_uncompressed_image query
* TWEAK: Persist script loading strategy when minifying JS files
* TWEAK: Premium - Compatibility with Curcy WooCommerce multi currency plugin
* TWEAK: Premium - Unused Images - Added an option to delete original images when scaled versions exist

* FIX: Ensure the admin bar is not cached when caching is enabled for both logged-in and guest users
* REFACTOR: Remove unused code
* TWEAK: Cache - Prevent sitemaps being cached
* TWEAK: Display a notice when static browser cache is enabled but not working
* TWEAK: Premium - Added "Lost your password?" link on plugin's page
* TWEAK: Premium - Unused images - Detect Elementor's 'Video' widget's image
* TWEAK: Recognise Rank Math plugin tables as used in database optimization
* TWEAK: Reduce .htaccess file write operations when WebP is enabled
* TWEAK: Seasonal notice content update for 2024
* TWEAK: Unused Images - Unused tab displays multiple images for compressed images with WebP Conversion
* TWEAK: Prevent multiple AJAX requests being generated by repeated clicks on the "Purge Cache" button
* TWEAK: Call the `litespeed_finish_request()` function when attempting to close browser connection on LiteSpeed servers

= 3.3.1 - 06/Mar/2024 =

* FIX: Cache - Compatibility issue with Jetpack's infinity scroll feature
* FIX: Cache - Don't cache activity stream (ActivityPub plugin compatibility)
* FIX: Cache - Page not cached comment is added to `robots.txt`
* TWEAK: Fix PHP warnings when server variables are not available
* TWEAK: Fix Unexpected response alert and PHP warning when cache preloading is triggered manually
* TWEAK: Migrate from setInterval to WP heartbeat API to refresh information about backend tasks
* TWEAK: Optimization of the WebP Implementation
* TWEAK: Update dashboard notice to include all of our plugins
* TWEAK: Update the footer review prompt