LYNX-100: Refactoring; fix static tests

Author: bl4de

app/code/Magento/EavGraphQl/Model/Output/GetAttributeData.php

@@ -97,7 +97,11 @@ private function getOptions(AttributeInterface $attribute): array
         return array_filter(
             array_map(
                 function (AttributeOptionInterface $option) use ($attribute) {
-                    $value = is_array($option->getValue()) ? (empty($option->getValue()) ? '' : (string)$option->getValue()[0]['value']) : (string)$option->getValue();
+                    if (is_array($option->getValue())) {
+                        $value =  (empty($option->getValue()) ? '' : (string)$option->getValue()[0]['value']);
+                    } else {
+                        $value = (string)$option->getValue();
+                    }
                     $label = (string)$option->getLabel();
                     if (empty(trim($value)) && empty(trim($label))) {
                         return null;

app/code/Magento/EavGraphQl/Model/Resolver/AttributesList.php

@@ -108,7 +108,7 @@ public function resolve(
      * @param array $attributesList
      * @param string $entityType
      * @param int $storeId
-     * 
+     *
      * @return array
      */
     private function getAtrributesMetadata(array $attributesList, string $entityType, int $storeId)