Merge remote-tracking branch 'okapis/MAGETWO-71562-Search-by-attribute-not-working-with-Elasticsearch' into pr-aug29

Author: cpartica

app/code/Magento/CatalogSearch/Model/Indexer/Fulltext/Plugin/Attribute.php

@@ -56,10 +56,10 @@ public function beforeSave(
     ) {
         $this->saveIsNew = $attribute->isObjectNew();
         $this->saveNeedInvalidation = (
-                $attribute->dataHasChangedFor('is_searchable')
-                || $attribute->dataHasChangedFor('is_filterable')
-                || $attribute->dataHasChangedFor('is_visible_in_advanced_search')
-            ) && ! $this->saveIsNew;
+            $attribute->dataHasChangedFor('is_searchable')
+            || $attribute->dataHasChangedFor('is_filterable')
+            || $attribute->dataHasChangedFor('is_visible_in_advanced_search')
+        );
     }
 
     /**