Previously, 'company' field in the 'contact us' form was a required field which wasn't ideal to accommodate B2C flow. When applied this commit will make company field optional by default. Note that users can customize the form to make it required again if necessary. Linked to task 1965839 closes odoo/odoo#33005 Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>