WooCommerce Product Bundles 8.3.5

* Fix - Bundled product add-on prices for some add-on types are preserved when 'Priced Individually' is not enabled.
* Tweak - Handle missing '$.fn.wc_product_gallery' function on themes that declare support for PhotoSwipe.
* Tweak - Use 'woocommerce_bundle_price_data' filter to pass min/max bundle size params to the frontend.

* Feature - Rolled 'Min/Max Items' feature plugin into Product Bundles.
* Feature - Introduced 'Default Quantity' field.
* Feature - Added Flatsome quickview support.
* Tweak - Display running bundle total even if validation messages exist.
* Tweak - Keep bundled product quantity selectors unconstrained by stock, and always visible.

* Fix - Fixed an edge-case issue that prevented Product Bundles with discounted, mandatory items from appearing as on sale in the catalog.
* Tweak - Preserve runtime meta when cloning parent item in shipping packages.