Shopkeeper eCommerce WP Theme for WooCommerce

## What's New
- Modern Core Compatibility: Fully tested and updated for seamless compatibility with the latest WordPress and WooCommerce core releases.
- Bundled Plugin Alignment: Updated integrated bundled plugins, including WPBakery Page Builder, to their latest stable releases.

## Tweaks & Improvements
- WooCommerce Template Overrides: Updated customized shop catalog, cart, and single product template overrides to align with modern WooCommerce template requirements.
- Header & Sticky Navigation: Refined scroll detection and mobile navigation transitions to ensure consistent performance across modern touch devices.
- PHP Runtime Modernization: Refactored legacy theme helper functions and template tags to prevent deprecation notices under PHP 8.2 and newer environments.

## Bug Fixes
- Product Gallery Lightbox: Resolved an issue where product gallery zoom and lightbox triggers intermittently became unresponsive on variable products.
- Mini-Cart Slideout Glitch: Fixed a responsive layout issue where the AJAX off-canvas cart drawer occasionally failed to refresh cart totals smoothly after item removal.
- Outdated Template Warnings: Addressed template version mismatch notices in the WooCommerce System Status admin panel.