How to hide the order payment block in the "New order" email if the total amount is 0?

Question

WordPress

The store has certificates (coupons) for a certain amount, when placing an order, the total amount can be equal to 0. If you place this order, it first goes into the "pending" status and sends a letter to the client with the subject "New order" and offers him to pay for the order . Then it changes to the "processing" status and sends another email with the subject "Order in processing".

How to hide the block with payment for the order in the "New order" email or completely cancel the sending of this email if the total amount is 0.