[IMP] estate: ignore button click when the property is already sold

- Ignore the button click to mark a property as sold if the property is already sold. This is more user-friendly than raising an error.

Author: robal-odoo

estate/models/estate_property.py

@@ -75,7 +75,7 @@ def _unlink_except_new_or_cancelled(self) -> None:
     def action_set_sold(self) -> bool:
         for record in self:
             if record.state == "sold":
-                raise UserError(_("This property has already been sold."))
+                continue
 
             if record.state == "cancelled":
                 raise UserError(_("Cancelled properties cannot be sold."))