fix(channels): resolve telegram reply target and media delivery (#525)

Co-authored-by: Will Sarg <12886992+willsarg@users.noreply.github.com>

src/channels/matrix.rs

@@ -230,7 +230,7 @@ impl Channel for MatrixChannel {
                     let msg = ChannelMessage {
                         id: format!("mx_{}", chrono::Utc::now().timestamp_millis()),
                         sender: event.sender.clone(),
-                        reply_to: self.room_id.clone(),
+                        reply_target: event.sender.clone(),
                         content: body.clone(),
                         channel: "matrix".to_string(),
                         timestamp: std::time::SystemTime::now()