Magento 2 add associate Simple Products with custom options to Configurable Product not working

If want to add the simple products with custom options to configurable product.When you want show custom options and simple products for configurable product.

when we save product that time if custom options having of that product while saving time in database catalog_product_entity table required_options will  update as 1 if not having it updating as 0. Based on this field configuration data filtering If take a look in to this file you will get idea public_html\vendor\magento\module-configurable-product\Model\Product\Type\Configurable.php

In this file found below function private function getConfiguredUsedProductCollection

code around line

present code below function line number 1408 to 1411

private function getConfiguredUsedProductCollection(

        \Magento\Catalog\Model\Product $product,

        $skipStockFilter = true

    )

    $collection

                ->addAttributeToSelect($this->getAttributesForCollection($product))

                 ->addFilterByRequiredOptions()

                ->setStoreId($product->getStoreId());

i change like this

 $collection

            ->addAttributeToSelect($this->getAttributesForCollection($product))

             //->addFilterByRequiredOptions()

            ->setStoreId($product->getStoreId());

now you will able to see associated simple products and custom options with config products