Attach (recommended) or Link to PDF file here:
[docOficialPDF.php.pdf](https://github.com/mozilla/pdf.js/files/7159923/docOficialPDF.php.pdf)

Configuration:
- Web browser and its version: Firefox nightly
- Operating system and its version: linux debian
- PDF.js version: built-in viewer
- Is a browser extension: no

Steps to reproduce the problem:
1. Open the pdf page 2
2. Checkbox "Alta" in section 2 must be checked

It works fine with evince.
return;
          }
          
          elementData.userValue = event.target.value;
          this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
            source: this,
            detail: {
              id,
              name: "Keystroke",
              value: event.target.value,
              willCommit: true,
              commitKey,
              selStart: event.target.selectionStart,
              selEnd: event.target.selectionEnd,
            },
          });
        });
        const _blurListener = blurListener;
        blurListener = null;
        element.addEventListener("blur", event => {
          if (this._mouseState.isDown) {
            
            elementData.userValue = event.target.value;
            this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
              source: this,
              detail: {
                id,
                name: "Keystroke",
                value: event.target.value,
                willCommit: true,