If some contacts are linked to a user, we keep the company consistent
but we should do it only if a company is set on the destination partner.
opw-2199352
closesodoo/odoo#46000
X-original-commit: 3f9cb47cb6fdc240a58f3daa3bd4cf32f55cb084
Signed-off-by: Nicolas Lempereur (nle) <nle@odoo.com>