[FIX] base: fetch mimetype on ir.attachment for binary fields
[FIX] base: fetch mimetype on ir.attachment for binary fields

laslabs/odoo,hip-odoo/odoo,laslabs/odoo,hip-odoo/odoo,dfang/odoo,hip-odoo/odoo,laslabs/odoo,hip-odoo/odoo,ygol/odoo,dfang/odoo,ygol/odoo,laslabs/odoo,microcom/odoo,sysadminmatmoz/OCB,dfang/odoo,microcom/odoo,laslabs/odoo,hip-odoo/odoo,microcom/odoo,storm-computers/odoo,ygol/odoo,microcom/odoo,Elico-Corp/odoo_OCB,ygol/odoo,Elico-Corp/odoo_OCB,ygol/odoo,Elico-Corp/odoo_OCB,Elico-Corp/odoo_OCB,storm-computers/odoo,bplancher/odoo,bplancher/odoo,storm-computers/odoo,storm-computers/odoo,storm-computers/odoo,ygol/odoo,bplancher/odoo,bplancher/odoo,storm-computers/odoo,dfang/odoo,microcom/odoo,Elico-Corp/odoo_OCB,hip-odoo/odoo,microcom/odoo,Elico-Corp/odoo_OCB,sysadminmatmoz/OCB,laslabs/odoo,sysadminmatmoz/OCB,dfang/odoo,bplancher/odoo,ygol/odoo,sysadminmatmoz/OCB,dfang/odoo,bplancher/odoo,sysadminmatmoz/OCB,sysadminmatmoz/OCB,sysadminmatmoz/OCB