Attach (recommended) or Link to PDF file here:
[Scan-to-Mail-PDF1_(1).pdf](https://github.com/mozilla/pdf.js/files/6876708/Scan-to-Mail-PDF1_.1.pdf)

Configuration:
- Web browser and its version: Firefox Developer 91.0b7 (64-Bit)
- Operating system and its version: Windows 10 (21H1)
- PDF.js version: 2.10.339 (also tested with the online demo, Version 2.11.5)
- Is a browser extension:

Steps to reproduce the problem:
1. Open the attached pdf
2. Scroll to page 3

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/7944797/126957487-cc7a2d19-adfb-42e4-9809-74e1a7a85048.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/7944797/126957351-29aebb4d-eadd-4273-b69d-530b9060c12c.png)




this._abortOperatorList({ intentState, reason, force: true });
          intentState.streamReaderCancelTimeout = null;
        }, RENDERING_CANCELLED_TIMEOUT);
        return;
      }
    }
    intentState.streamReader.cancel(new AbortException(reason?.message));
    intentState.streamReader = null;
    if (this._transport.destroyed) {
      return; 
    }
    
    
    for (const [intent, curIntentState] of this._intentStates) {
      if (curIntentState === intentState) {
        this._intentStates.delete(intent);
        break;
      }
    }
    
    this.cleanup();
  }
  /**
   * @type {Object} Returns page stats, if enabled; returns `null` otherwise.
   */
  get stats() {
    return this._stats;
  }
}
class LoopbackPort {