WooCommerce Measurement Price Calculator 3.23.7

* Fix - Resolve a Pricing Table issue where certain measurement values were unable to be added to the cart
* Fix - Improve handling of non-US currency prices, particularly price per unit calculations for variable products
* Fix - Resolve an issue where customers are unable to manually enter a decimal length when an increment is specified
* Tweak - Ensure measurement values are saved in the database in the same format for both simple and variable products

* Fix - Resolve an issue with the price calculator not allowing the width to be independently changed.
* Fix - Resolve an issue with products "Sold Individually" unexpectedly having their price changed when updating the quantity of a different item in the same cart

* Fix - Resolve an issue with variable products and decimal comma separator where the incorrect default empty values would be saved for variations
* Fix - Ensure that pricing calculator products are considered in stock when they have a stock quantity greater than 0 but lower than 1
* Fix - Do not allow user-defined negative input values when accepting free-form customer input