MAGETWO-57006: [Forwardport] Performance improvement on Catalog Fulltext indexer

Author: mslabko

app/code/Magento/CatalogSearch/Model/Indexer/Fulltext/Action/DataProvider.php

@@ -13,6 +13,7 @@
 
 /**
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
+ * @SuppressWarnings(PHPMD.TooManyFields)
  * @api
  * @since 100.0.3
  */
@@ -328,7 +329,7 @@ public function getSearchableAttributes($backendType = null)
 
             $entity = $this->eavConfig->getEntityType(\Magento\Catalog\Model\Product::ENTITY)->getEntity();
 
-            foreach ($attributes as $attributeId => $attribute) {
+            foreach ($attributes as $attribute) {
                 $attribute->setEntity($entity);
                 $this->searchableAttributes[$attribute->getAttributeId()] = $attribute;
                 $this->searchableAttributes[$attribute->getAttributeCode()] = $attribute;