If the user is creating a res.partner from the partner_id m2o on crm.lead,
prefill contact information from the opp in it
(email, phone, mobile, street, street2, etc.).
If 'contact_name' is set on crm.lead, the created res.partner should have:
> is_company = False
> name = contact_name (from crm.lead)
> company_name = company_name (from crm.lead)
If 'contact_name' is not set on crm.lead, the created res.partner should have:
> is_company = True
> name = company_name (from crm.lead)
Task ID : 1908622
Closes PR #29461