Previous versions of Drupal allow vocabulary machine names longer than 32 characters

Steps to reproduce:

Create a Taxonomy Vocabulary in Drupal 7 that has a machine name longer than 32 chracters
Run Migrate upgrade against that drupal 7 site.

Note the error thrown by entitymanager:

Attempt to create a bundle with an ID longer than 32 characters: ().
(/var/www/html/build/core/lib/Drupal/Core/Entity/Entity.php:402)

I expect us to handle these cases in some fashion since machine names cannot be changed after created... maybe by taking thee first 30 chracters and then running the machine name through dedup so that it takes something like "my_extreamly_long_taxonomy_vocabulary_name" and "my_extreamly_long_taxonomy_vocabulary_fame" and turns it into "my_extreamly_long_taxonomy_voc_1", "my_extreamly_long_taxonomy_voc_2" respectively.

My current solution (which doesn't dedup) to this was to create a custom source plugin that extends the existing and do a substring(1,32) on machine_name and change the configuration to work with this using Migrate Plus and Migrate Tools.

namespace Drupal\wg_drupal7_migrate\Plugin\migrate\source;

use Drupal\taxonomy\Plugin\migrate\source\d7\Vocabulary as MigrateD7Vocabulary;

/**
 * Drupal 7 vocabularies source from database.
 *
 * @MigrateDrupalSource(
 *   id = "wg_d7_taxonomy_vocabulary",
 *   source_provider = "taxonomy"
 * )
 */
class Vocabulary extends MigrateD7Vocabulary {
  /**
   * {@inheritdoc}
   */
  public function query() {
    $query = $this->select('taxonomy_vocabulary', 'v')
      ->fields('v', array(
        'vid',
        'name',
        'description',
        'hierarchy',
        'module',
        'weight',
      ));
    $query->addExpression('SUBSTRING(machine_name, 1, 32)', 'machine_name');
    return $query;
  }
}