[FIX] account: missing depends when computing total amount of invoice
[FIX] account: missing depends when computing total amount of invoice

self.type is used inside method but is not present in the dependencies.
OPW 706029
close #14187

ygol/odoo,Elico-Corp/odoo_OCB,ygol/odoo,hip-odoo/odoo,laslabs/odoo,Elico-Corp/odoo_OCB,bplancher/odoo,Elico-Corp/odoo_OCB,ygol/odoo,ygol/odoo,ygol/odoo,bplancher/odoo,bplancher/odoo,bplancher/odoo,laslabs/odoo,laslabs/odoo,laslabs/odoo,laslabs/odoo,ygol/odoo,bplancher/odoo,Elico-Corp/odoo_OCB,laslabs/odoo,ygol/odoo,bplancher/odoo,hip-odoo/odoo,hip-odoo/odoo,Elico-Corp/odoo_OCB,Elico-Corp/odoo_OCB,hip-odoo/odoo,hip-odoo/odoo,hip-odoo/odoo