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
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    let pdfTitle = info?.Title;
    const metadataTitle = metadata?.get("dc:title");
    if (metadataTitle) {
      
      
      
      
      
      
      if (
        metadataTitle !== "Untitled" &&
        !/[\uFFF0-\uFFFF]/g.test(metadataTitle)
      ) {
        pdfTitle = metadataTitle;
      }
    }
    if (pdfTitle) {
      this.setTitle(
        `${pdfTitle} - ${contentDispositionFilename || document.title}`
      );
    } else if (contentDispositionFilename) {
      this.setTitle(contentDispositionFilename);
    }
    if (
      info.IsXFAPresent &&
      !info.IsAcroFormPresent &&
      !pdfDocument.isPureXfa
    ) {
      if (pdfDocument.loadingParams.enableXfa) {