fix performance issue with attribute that have large numebr of options, do not loop over all options

Author: behnamshayani

app/code/Magento/Elasticsearch/Model/Adapter/BatchDataMapper/ProductDataMapper.php

@@ -285,9 +285,9 @@ private function getValuesLabels(Attribute $attribute, array $attributeValues):
             return $attributeLabels;
         }
 
-        foreach ($options as $option) {
-            if (\in_array($option->getValue(), $attributeValues)) {
-                $attributeLabels[] = $option->getLabel();
+        foreach ($attributeValues as $attributeValue) {
+            if (isset($options[$attributeValue])) {
+                $attributeLabels[] = $options[$attributeValue]->getLabel();
             }
         }
 
@@ -304,7 +304,11 @@ private function getAttributeOptions(Attribute $attribute): array
     {
         if (!isset($this->attributeOptionsCache[$attribute->getId()])) {
             $options = $attribute->getOptions() ?? [];
-            $this->attributeOptionsCache[$attribute->getId()] = $options;
+            $optionsByValue = [];
+            foreach ($options as $option) {
+                $optionsByValue[$option->getValue()] = $option;
+            }
+            $this->attributeOptionsCache[$attribute->getId()] = $optionsByValue;
         }
 
         return $this->attributeOptionsCache[$attribute->getId()];