message: Make sure cursor blinks after opening new tab
diff: @@ -438,6 +438,7 @@ namespace winrt::Microsoft::Terminal::TerminalControl::implementation
  _cursorTimer = std::make_optional(DispatcherTimer());
  _cursorTimer.value().Interval(std::chrono::milliseconds(blinkTime));
  _cursorTimer.value().Tick({ this, &TermControl::_BlinkCursor });
  + _cursorTimer.value().Start();
  }
  else
  {
  @@ -859,8 +860,10 @@ namespace winrt::Microsoft::Terminal::TerminalControl::implementation
  _focused = true;
  if (_cursorTimer.has_value())
  + {
  _cursorTimer.value().Start();
  }
  + }
  // Method Description:
  // - Event handler for the LostFocus event. This is used to hide
  