In stock, you would print multiple times the same lot label.
In this scenario, the rendering method get multiple times the same res_id as parameter.
However, the code is loosing track of those duplicated ids before all
streams are indexed by res_id.
closesodoo/odoo#163362
X-original-commit: fb92e991bb98e5945c57c157754ff0eba306b924
Signed-off-by: Rémy Voet (ryv) <ryv@odoo.com>
Signed-off-by: Laurent Smet (las) <las@odoo.com>