WooCommerce Product Bundles 8.1.2

* Fix - Added compatibility with the Cart and Checkout blocks.
* Tweak - Removed the 'Subtotal' prefix from bundled item subtotals in all templates.
* Tweak - Further cleaned up onboarding notice.

* Fix - Recalculate bundled item stock status when the 'Min Quantity', 'Filter Variations' or 'Optional' setting changes.
* Tweak - Made it possible to remove individual optional items that are part of an ungrouped bundle with mandatory items.
* Tweak - Move Composite Products integration module code into Product Bundles.
* Fix - Display the 'Additional Information' tab for unassembled Product Bundles with physical items.
* Tweak - Refactored 'WC_Product_Bundle::apply_subs_price_html' and introduced 'WC_Product_Bundle::apply_subs_calculate_price_data' which can be used to update Bundle structured product data to include subscription prices.
* Tweak - Use new WooCommerce brand colors.
* Fix - Fixed issue that prevented Bundle-Sells from being imported via the REST API.

* Fix - Fixed an issue where override title setting was not respected when manually adding items to an order in admin.
* Fix - Fixed an issue that made Bundle-Sells use inaccurate display settings.
* Fix - Fixed warnings triggered by using deprecated 'is_ajax'. Replaced with 'wp_doing_ajax' for WooCommerce v6.1+.