Rationales: - having a textual display "Unsaved changes" implied to the user that they had to save - having buttons "hiding" behind a hover effect on a span of text was very unintuitive - since we don't want an hover anymore, having text buttons would draw a lot of attentions => use icons + tootltip instead closes odoo/odoo#102757 Forward-port-of: #102605 Related: odoo/enterprise#32570 Signed-off-by: Bouvy Damien (dbo) <dbo@odoo.com> Signed-off-by: Pierre Paridans (app) <app@odoo.com>