Description

We have no way to control whether a notification was closed or not.
It could make sense for the app to know about this, in order to potentially show other notifications that would be unreadable should too many notifications be visible yet.

Solution Proposed

Improve the notify() API with a callback:
notify(..., on_close=notification_closed)
and
def notification_closed(state, notification_id, reason
reason being "forced" or "timeout". I don't think we need to know whether the 'force' was manual or not.

Acceptance Criteria

• If applicable, a new demo code is provided to show the new feature in action.
• Integration tests exhibiting how the functionality works are added.
• Any new code is covered by a unit tested.
• Check code coverage is at least 90%.
• Related issue(s) in taipy-doc are created for documentation and Release Notes are updated.

Code of Conduct

• I have checked the existing issues.
• I am willing to work on this issue (optional)