Smile ElasticSuite - Magento B2B Quick Order Support.
You should use this module in order to get ElasticSuite and Magento 2 B2B (Enterprise Edition only) features working together transparently.
It fix issues that can be encountered when using the Quick Order feature.
Simply run these commands in your Magento install :
composer require smile/module-elasticsuite-quick-order bin/magento setup:upgrade
Do not forget to clean caches and reindex everything !!!!
bin/magento cache:clean bin/magento indexer:reindex
Readme for the whole Smile ElasticSuite is available here.