* Remove `NotificationHandle` trait in favor of just passing `AnyView` - id field wasn't used. * Remove `show_notification_once`, doesn't seem to be needed for its only use. Release Notes: - N/A
* Remove `NotificationHandle` trait in favor of just passing `AnyView` - id field wasn't used. * Remove `show_notification_once`, doesn't seem to be needed for its only use. Release Notes: - N/A