[FIX] base: do not rename binary fields column
[FIX] base: do not rename binary fields column

When renaming a binary field name (through Studio for example), an error occurs
since rev. odoo/odoo@66f0e26

As the binary (custom) field is now created with `attachment=True` by default,
it has no associated column in the database ; this latter shouldn't be renamed
then.

Task 1942181

closes odoo/odoo#31504

Signed-off-by: Raphael Collet (rco) <fcee45b878db1f337818c5c606c1542797080a40@openerp.com>
ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo