Merge branch 'develop'

backend/views/document/_download_product_line.php

@@ -40,7 +40,7 @@ $producerModule = ProducerModule::getInstance();
                     <?php $priceUnitReferenceString = Price::format($priceUnitReference, $documentPriceDecimals).' / kg' ?>
                     <?php if($productOrder->unit == 'piece'): ?>
                         <?= Price::format($price, $documentPriceDecimals) ?>
-                        <?php if($priceUnitReference): ?>
+                        <?php if($displayPriceUnitReference && $priceUnitReference): ?>
                             (<?= $priceUnitReferenceString ?>)
                         <?php endif; ?>
                     <?php else: ?>