Meow Gallery Pro 5.3.0

* Add: Improved Gallery Manager display with more detailed information.
* Add: Introduced new order options in the Gallery Manager.
* Add: Added support for additional "order by" sorting options.

* Fix: Corrected post selector search and allowed saving without selected posts.
* Fix: Resolved a render loop issue and improved gallery rendering stability.
* Fix: Updated SQL query in get_gallery_by_id to use a proper string placeholder.
* Update: Refactored CollectionThumbnails, updated styles and dimensions in ShortcodeMaker, and improved unique ID generation.
* Update: Refined UI by updating the back button SVG and commenting out the loading spinner.
* Add: Introduced lead image selection feature for Collections.
* Update: Replaced generate_uniqid with wp_unique_id and added unique constraints in the database.
* Fix: Sanitized captions to prevent XSS vulnerabilities.
* Update: Replaced NekoInput with PostSelector in the manager for better post selection.
* Fix: Removed incompatible PHP 8 syntax in get_collection_by_id.
* Add: Added a default link option setting.
* Update: Ensured gallery layout respects block settings overrides.

* Update: Reworked the Block to support Manager shortcodes for better integration.
* Add: Added support for the AVIF image format in the MediaSelector component.
* Update: Refactored gallery and collection data retrieval to use core methods for consistency.
* Fix: Resolved block display issues when selecting Gallery/Collection.
* Update: Migrated Galleries and Collections from options to database tables for improved performance.
* Update: Implemented React Query for Galleries and Collections to enhance data handling.
* Fix: Corrected sorting issues in the Gallery Manager.
* Fix: Fixed fetching of galleries data in the Gallery Manager.
* Update: Improved Collections by integrating Neko Shortcode.
* Fix: Addressed multi-page gallery selection issues in the Collection Maker.