Woocommerce Box Office 1.3.0

* Add - Coupon code column to attendee export CSV file.
* Fix - Broken email formatting.
* Fix - Default subject added for ticket confirmation email.
* Fix - Ensure custom ticket prefix is used on order details page and emails.
* Fix - No email address is set as 'reply-to'.
* Fix - Update ticket list description to avoid confusion.
* Fix - Updated the description for "Disable Ticket Editing" checkbox.
* Fix - WooCommerce not showing messages in My Ticket page.
* Tweak - Include variation details in ticket title of email/print ticket.
* Update - Ensure tickets can be exported from specific variation.

* Fixed - Deprecation notice.
* Fixed: Add better validation for required ticket fields.
* Fixed: Ensure that auto-fill works as expected for guest users.
* Fixed: Ensure when a checkbox field is required the validation doesn't require all options to be checked.
* Tweak - WC 6.7.0 compatibility.

* Fix - Critical error when viewing a ticket associated with a permanently deleted product.
* Fix - Ensure all text is translated properly in the Private Link email.
* Fix - Invoice generation when using PDF Invoices.