WooCommerce Measurement Price Calculator 3.23.6

* Fix - When using a comma as the decimal separator in a quantity mode calculator, ensure that the actual amount displayed uses the same separator consistently

* Fix - In quantity mode, make sure that when updating the quantity and using a decimal separator other than a period, the updated needed amount retains the intended separator
* Fix - If multiple amount needed inputs are present while in quantity mode, do not automatically change the amounts needed while adjusting quantity
* Fix - Prevent the price for Measurement Price Calculator products from appearing without tax when WooCommerce is configured to display prices including tax

* Misc - Add support for WooCommerce 4.0