Function message_notification_body

pub(crate) fn message_notification_body(
    event: &AnySyncOrStrippedTimelineEvent,
    sender_name: &str,
    show_sender: bool,
) -> Option<String>

Generate the notification body for the given event, if it is a message-like event.

If it’s a media message, this will return a localized body.

Returns None if it is not a message-like event or if the message type is not supported.