WooCommerce Smart Coupons 9.18.0

* Fix: PHP Fatal error - Unsupported operand types string * int
* Update: Revamp 'Store Credit' calculation while creating manual orders from admin panel
* Update: Translations

* Fix: When Smart Coupons is active and WooCommerce is deactivated, it results in a fatal error
* Fix: The same block of JavaScript code is being added multiple times on the Checkout page
* Update: Added translation for the entire DateTimePicker of the plugin
* Update: Added information about whether the cart and the checkout page are block-enabled or not, under WooCommerce > Status
* Update: Improved the format of the data shown by the plugin and the format of the data coming in the report from the page WooCommerce > Status
* Update: Removed an extra space from the link 'Smart Coupons Settings' on the 'Bulk generate' page
* Update: Translations

* Fix: PHP Fatal error: Uncaught Error: Class 'Automattic\WooCommerce\StoreApi\StoreApi' not found with lower version of WooCommerce
* Update: Translations