OC3 UPS shipping module fix

It seems to get fixed in 3.1+ version but, not in OpenCart 3.0. I've just created file, named mod-fixes.vqmod.xml and placed in /system directory, have been tired to create install for every POS. I'm going to to post more changes I've added to this file.

<?xml version="1.0" encoding="utf-8"?>
<modification>
  <id>
    <![CDATA[MODS/FIX for OpenCart 3]]>
  </id>
  <version>3.0.3.2</version>
  <vqmver>2.5.1</vqmver>
  <!-- ups fix -->
  <file name="catalog/model/extension/shipping/ups.php">
    <operation error="skip">
      <search position="replace">
        <![CDATA[if ($this->config->get('ups_' . strtolower($this->config->get('shipping_ups_origin')) . '_' . $code)) {]]>
      </search>
      <add>
        <![CDATA[if ($this->config->get('shipping_ups_' . strtolower($this->config->get('shipping_ups_origin')) . '_' . $code)) {]]>
      </add>
    </operation>
  </file>
</modification>