[FIX] web: set max width for image field in form view
[FIX] web: set max width for image field in form view

Before this commit, wide images were larger than the form view.

hip-odoo/odoo,ygol/odoo,hip-odoo/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,hip-odoo/odoo,ygol/odoo,ygol/odoo,hip-odoo/odoo,hip-odoo/odoo,hip-odoo/odoo