WooCommerce Account Funds 3.1.1

* Tweak - Use the order's currency symbol to format order prices.
* Tweak - Tested compatibility with WC 6.3.
* Fix - Fixed warning when displaying the funds used in the edit order screen and the plugin WooCommerce Payments is active.

* Tweak - Don't restore the funds automatically when an order is marked as 'Refunded' (Use partial refunds instead).
* Tweak - Tested compatibility up to WC 6.2.
* Tweak - Tested compatibility with WP 5.9.
* Fix - The restored funds' amount cannot be greater than the 'Net payment' amount when canceling an order that contains partial refunds.

* Tweak - Tested compatibility with WC 6.0.
* Fix - Fixed wrong Order balance in the Square dashboard when partially paying the order with funds.