Attach (recommended) or Link to PDF file here:

Configuration:
- Web browser and its version: firefox 96.0
- Operating system and its version: Arch linux, sway (wayland)
- PDF.js version: Whatever came with the browser
- Is a browser extension: no

Steps to reproduce the problem:
1. Open any pdf, can reproduce it on https://mozilla.github.io/pdf.js/web/viewer.html
2. Scroll in with ctrl+mouse wheel using a normal mouse, not a touch pad.

Expected behaviour:
It zooms in with small steps. It can for example be the same steps as ctrl+plus.

Behaviour:
It scrolls in and out way to quickly. It jumps in the steps: 10%, 70%, 150%, 300%, 570%, 1000%.

Notes:
Cannot reproduce on chromium with the web viewer on https://mozilla.github.io/pdf.js/web/viewer.html
errorMoreInfo.hidden = false;
        moreInfoButton.hidden = true;
        lessInfoButton.hidden = false;
        errorMoreInfo.style.height = errorMoreInfo.scrollHeight + "px";
      };
      lessInfoButton.onclick = function () {
        errorMoreInfo.hidden = true;
        moreInfoButton.hidden = false;
        lessInfoButton.hidden = true;
      };
      moreInfoButton.oncontextmenu = noContextMenuHandler;
      lessInfoButton.oncontextmenu = noContextMenuHandler;
      closeButton.oncontextmenu = noContextMenuHandler;
      moreInfoButton.hidden = false;
      lessInfoButton.hidden = true;
      Promise.all(moreInfoText).then(parts => {
        errorMoreInfo.value = parts.join("\n");
      });
    } else {
      Promise.all(moreInfoText).then(parts => {
        console.error(message + "\n" + parts.join("\n"));
      });
      this.fallback();
    }
  },
  progress(level) {
    if (this.downloadComplete) {
      
      
      return;