Display the error code when the "Profile could not be created."

[lewisje]

I was testing this extension during migration to a Magento 2 storefront and I got the unhelpful message, while trying to put a test transaction through, that the "Profile could not be created."

I ended up modifying AuthorizenetAdapter.php a little after line 269 to look like this:

        if ($result->getMessages()->getData('resultCode') === 'Error') {
            $err = $result->getMessages()->getMessage()[0]->getCode();
            if ($err !== self::ERROR_CODE_DUPLICATE) {
                throw new PaymentException(
                    __('Profile could not be created: ' . $err)
                );
            }
        }

This way, I could look up the error code to figure out what was wrong; in my case, the error was E00044, which meant that CIM was not enabled (I was accustomed to AIM on the Magento 1 site, and I had forgotten that CIM was something that I needed to specifically enable).

I could just submit a PR with this change, but it might not be the best way overall to give more information about an error; maybe this could be something toggled in the admin area.

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(After the aforementioned quick-and-dirty change, I reverted it and more properly extended the Pmclain\AuthorizenetCim\Model\Adapter\AuthorizenetAdapter class inside my own Magento module.)