Attach (recommended) or Link to PDF file here:
[测试文件.pdf](https://github.com/mozilla/pdf.js/files/7147166/default.pdf)

Configuration:
- Web browser and its version:chrome 92.0.4515.131
- Operating system and its [version:](url) windows
- PDF.js version:v2.9.359
- Is a browser extension:no

Steps to reproduce the problem:
1. use pdf.js to open this pdf file
2. incomplete content display


What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/16495895/132935415-2b52322d-561c-4f60-97df-24e4429743ff.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/16495895/132935425-e5e6605b-71f5-4065-bb89-5c0fdbe1564b.png)

Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension):

"findDefaultInlineStreamEnd - `lexer.knownCommands` is undefined."
            );
          }
          if (state === 2) {
            break; 
          }
        } else {
          state = 0;
        }
      }
    }
    if (ch === -1) {
      warn(
        "findDefaultInlineStreamEnd: " +
          "Reached the end of the stream without finding a valid EI marker"
      );
      if (maybeEIPos) {
        warn('... trying to recover by using the last "EI" occurrence.');
        stream.skip(-(stream.pos - maybeEIPos)); 
      }
    }
    let endOffset = 4;
    stream.skip(-endOffset); 
    ch = stream.peekByte();
    stream.skip(endOffset); 
    
    
    if (!isWhiteSpace(ch)) {
      endOffset--;
    }