[IMP] models: in model/field reflection, trigger recomputations
[IMP] models: in model/field reflection, trigger recomputations

This enables extensions of `ir.model` and `ir.model.fields` with computed
fields without messing up too much with reflection itself.

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