Update Details.php

Author: swnsma

app/code/Magento/Catalog/Block/Product/View/Details.php

@@ -40,9 +40,8 @@ public function getGroupSortedChildNames(string $groupName, string $callback): a
             $childNamesSortOrder[$childName] = $sortOrder;
         }
 
-        asort($childNamesSortOrder);
-        $childNamesSortOrder = array_keys($childNamesSortOrder);
+        asort($childNamesSortOrder, SORT_NUMERIC);
 
-        return $childNamesSortOrder;
+        return array_keys($childNamesSortOrder);
     }
 }