Woocommerce Name your price 3.5.14

* Fix: Adjust front-end validation script to handle sold-indidivudally checkboxes in grouped products.

* Update: Tested against WooCommerce 4.5.
* Tweak: Add style rule for Elementor forms
* Tweak: Add version to system status

Update: Tested against WP 5.5.
Fix: Remove HTML from price input title attribute in price-input.php template.
Tweak: Inherit error notice icons (or lack thereof) from theme styles.