When a new `product.template` is imported with `active` set to `False`,
the associated `product.product` is active.
This is not consistent with what happens in the UI: when a template is
archived, all variants are archived.
At variant creation, we keep the `active` value of the template.
opw-1955116
closesodoo/odoo#32461
Signed-off-by: Nicolas Martinelli (nim) <nim@odoo.com>