Avoid invalidating cache when not needed. This improves a lot performances. Closes #143403 Fixes a bug which causes that: self.flush() and self.clear_caches() were called on every property write/update and delete. Known at least in V14/15/16/17. closes odoo/odoo#145549 X-original-commit: b444330050a4d98e7ade42a30a6a27522b5cf4c8 Related: odoo/enterprise#52395 Signed-off-by: Raphael Collet <rco@odoo.com> Signed-off-by: Rémy Voet (ryv) <ryv@odoo.com>