Drive mode does not work

[delyriand]

Preconditions

Magento Version : 2.4.1

Module Offer Version : 1.4.0

Environment : Developer

Third party modules : smile/elasticsuite-for-retailer in 2.1.0

Steps to reproduce

1. Create one (or more) retailer
2. Create an offer for this retailer and a product
3. Change the navigation mode to "Drive mode" in ElasticSuite > Elastic Suite for Retailer
4. Go to the category of this product

Expected result

1. I only see the product with an offer
2. In the elasticsearch document, i see the offer data

Actual result

1. I see all the products even those without an offer
2. In the elasticsearch document, I don't see the offer information (price for example)

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Informations

In the definition of the data source for the offers, there is an additional element node:

magento2-module-offer/etc/di.xml

Line 53 in 846ee29

<item name="product" xsi:type="array">