message: Only update progress bar when message contains a client sequence number
diff: @@ -60,6 +60,7 @@ function typeFile(sharedString: SharedString.SharedString, fileText: string, int
  fileText = normalizeText(fileText);
  sharedString.on("op", (message) => {
  + if (message.clientSequenceNumber) {
  progressBar.style.width = `${Math.round(100 * message.clientSequenceNumber / fileText.length)}%`;
  // We need a better way of hearing when our messages have been received and processed.
  @@ -70,6 +71,7 @@ function typeFile(sharedString: SharedString.SharedString, fileText: string, int
  const endTime = Date.now();
  resolve(endTime - startTime);
  }
  + }
  });
  const interval = setInterval(() => {
  