fix: make sure lang is set to lc, fixes #4427 (#4436)
fix: make sure lang is set to lc, fixes #4427 (#4436)


openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server