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
if (pageNumber === PDFViewerApplication.page) {
    PDFViewerApplication.toolbar.updateLoadingIndicatorState(false);
  }
  
  if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
    const pageView = PDFViewerApplication.pdfViewer.getPageView(
       pageNumber - 1
    );
    const thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(
       pageNumber - 1
    );
    if (pageView && thumbnailView) {
      thumbnailView.setImage(pageView);
    }
  }
  if (error) {
    PDFViewerApplication.l10n.get("rendering_error").then(msg => {
      PDFViewerApplication._otherError(msg, error);
    });
  }
  
  PDFViewerApplication._reportDocumentStatsTelemetry();
}
function webViewerPageMode({ mode }) {