WooCommerce Composite Products 10.2.3

* Fix - Preserve empty, optional component configuration in 'WC_CP_Order::get_current_composite_configuration'.

* Important - Refactored calculation of active scenarios to run by scenario action.
* Important - JS function 'WC_CP_Scenarios_Manager::calculate_active_scenarios' now calculates active scenarios for a specific scenario action, which must be passed into the function. Please update your extensions/customizations!
* Important - JS function 'WC_CP_Scenarios_Manager::get_active_scenarios' now returns active scenarios by scenario action.
* Fix - Auto select attributes script not working for attribute values with special characters.
* Fix - Resolved incorrect calculation of 'Overlay Image' scenario action.
* Fix - Stock for Components is now reduced correctly in manually created orders.
* Tweak - Added stock management comments in manually created orders.
* Tweak - Use 'woocommerce_bundled_item_discount' instead of 'woocommerce_bundled_item_raw_price_cart' to apply Component discounts to items contained in Product Bundles in the cart.
* Tweak - Treat discounted Components as 'on-sale' in the cart.
* Tweak - 'Option Prices > Relative' now displays Component Option prices relative to the Default Option. Falls back to displaying prices relative to the current selection if a Default Option does not exist.
* Tweak - Added 'woocommerce_composite_products_pip_show_container_item' filter to hide Virtual container items in packing lists when the 'Exclude Virtual Items' option is enabled.

* Important - Added support for WooCommerce 3.7+.
* Important - PHP 5.6.20+ is now required.
* Tweak - Ignore 'woocommerce_before_cart_item_quantity_zero' action under WC 3.7+.
* Fix - Prevent Summary Widget from erroring when attempting to call widget() in a non-Composite type product page.