message: Fix crash when framing commands
diff: @@ -1163,8 +1163,6 @@ export class Terminal implements Tab, Disposable {
  const commandShouldBeFramed = returnCode !== "0" || this.#commandNeedsFrame(this.#lastCommandLine,
  scrollbackOutputLength + effectiveScreenLength);
  if ( ! commandShouldBeFramed) {
  - this.#lastCommandLine = null;
  - this.#lastCommandTerminalViewer = null;
  return;
  }
  