[FIX] mail: env.company_id has been replaced by env.company
[FIX] mail: env.company_id has been replaced by env.company

closes odoo/odoo#43307

Signed-off-by: Victor Feyens (vfe) <433cda6c0f0b5b2dac2ef769109a6da90db60157@odoo.com>

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo