Skip 'Processing Order' customer email on merchant dispute win

includes/class-wc-stripe-webhook-handler.php

@@ -400,6 +400,15 @@ public function process_webhook_dispute_closed( $notification ) {
 
 			// Fail order if dispute is lost, or else revert to pre-dispute status.
 			$order_status = 'lost' === $status ? 'failed' : $this->get_stripe_order_status_before_hold( $order );
+
+			// Do not re-send "Processing Order" email to customer after a dispute win.
+			if ( 'processing' === $order_status ) {
+				remove_action(
+					'woocommerce_order_status_on-hold_to_processing_notification',
+					[ 'WC_Email_Customer_Processing_Order', 'trigger' ]
+				);
+			}
+
 			$order->update_status( $order_status, $message );
 		} else {
 			$order->add_order_note( $message );