Fix empty last4 rendering (#52399)

Co-authored-by: Corey McKrill <916023+coreymckrill@users.noreply.github.com>
Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: Néstor Soriano <konamiman@konamiman.com>

plugins/woocommerce/changelog/52399-fix-empty-last4-rendering

@@ -0,0 +1,4 @@
+Significance: minor
+Type: fix
+
+Avoid rendering the dash in the receipts when there's no info about the card used to pay the order.

plugins/woocommerce/src/Internal/ReceiptRendering/Templates/order-receipt.php

@@ -26,7 +26,10 @@
 		<h3 id="payment_method_section_title"><?php echo strtoupper( $data['texts']['payment_method_section_title'] ); ?></h3>
 		<p>
 			<?php if ( $data['payment_info'] ) { ?>
-				<span class="card-icon"></span> - <?php echo $data['payment_info']['card_last4']; ?>
+				<span class="card-icon"></span>
+				<?php if ( $data['payment_info']['card_last4'] ) { ?>
+					- <?php echo $data['payment_info']['card_last4']; ?>
+				<?php } ?>
 			<?php } else { ?>
 				<span><?php echo $data['payment_method']; ?></span>
 			<?php } ?>