parse manufacturer longdesc through Smarty

Modules/Application/Model/ManufacturerInfoList.php

@@ -33,13 +33,23 @@ class ManufacturerInfoList extends ManufacturerInfoList_parent
     {
         parent::addCategoryFields($oManufacturer);
 
-        if (Registry::getConfig()->d3GetBoolModuleSettingByName('_showManufacturertextOnManufacturerPage')) {
-            $oManufacturer->oxcategories__oxlongdesc = new Field(
-                html_entity_decode(
-                    $oManufacturer->getFieldData(Constants::D3_OXMANUFACTURERS_LONGDESC_FIELDNAME) ?? ''
-                ),
-                Field::T_RAW
-            );
+        if (Registry::getConfig()->getConfigParam('d3manufacturerinformation_showManufacturertextOnManufacturerPage')) {
+            /** @var \OxidEsales\Eshop\Core\UtilsView $oUtilsView */
+            $oUtilsView = Registry::getUtilsView();
+
+            $longdesc = $oManufacturer->d3GetLongdesc()->getRawValue() ?? '';
+            $deactivateSmarty = Registry::getConfig()->getConfigParam('deactivateSmartyForCmsContent');
+            $processLongDescriptions = Registry::getConfig()->getConfigParam('bl_perfParseLongDescinSmarty');
+            if (!$deactivateSmarty && $processLongDescriptions) {
+                $longdesc = $oUtilsView->parseThroughSmarty(
+                    $longdesc,
+                    $oManufacturer->getId() . $oManufacturer->getLanguage(),
+                    null,
+                    true
+                ) ?? '';
+            }
+
+            $oManufacturer->oxcategories__oxlongdesc = new Field(html_entity_decode($longdesc), Field::T_RAW);
         }
     }
 }