Improves performances, notably on the method https://github.com/odoo/odoo/blame/14.0/addons/resource/models/resource.py#L487 closes odoo/odoo#62821 X-original-commit: fc962de2b60adaa1ffa3bf70bfadc5c3d17867b3 Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>