* fix: Delivery URL returned response code 500
* fix: set default company in Woocommerce Settings
* fix: remove redundant function calls
* fix: make offset configurable for delivery date in sales order
* fix: remove redundant code from woocommerce_settings.py
* fix: import create_custom_field
* fix: added ignore_mandatory for saving item, customer and sales order
* fix: remove unused woocommerce_check custom field
* fix: do not delete custom fields or item group when sync is disabled