MC-5681: Onepage Checkout improvements

- Rename variable;

Author: adifucan

app/code/Magento/Customer/Model/Address/CustomerAddressDataFormatter.php

@@ -139,14 +139,14 @@ private function prepareSelectedAddress(
         $addressId = null
     ): array {
         if (null !== $addressId && !isset($addressList[$addressId])) {
-            $filteredDefaultAddress = array_filter(
+            $filteredAddress = array_filter(
                 $customer->getAddresses(),
                 function ($address) use ($addressId) {
                     return $address->getId() === $addressId;
                 }
             );
-            if (!empty ($filteredDefaultAddress)) {
-                $selectedAddress = $this->prepareAddress(current($filteredDefaultAddress));
+            if (!empty ($filteredAddress)) {
+                $selectedAddress = $this->prepareAddress(current($filteredAddress));
                 if (isset($selectedAddress['id'])) {
                     $addressList[$selectedAddress['id']] = $selectedAddress;
                 }