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
window.addEventListener("hashchange", _boundEvents.windowHashChange);
    window.addEventListener("beforeprint", _boundEvents.windowBeforePrint);
    window.addEventListener("afterprint", _boundEvents.windowAfterPrint);
    window.addEventListener(
      "updatefromsandbox",
      _boundEvents.windowUpdateFromSandbox
    );
  },
  unbindEvents() {
    const { eventBus, _boundEvents } = this;
    eventBus._off("resize", webViewerResize);
    eventBus._off("hashchange", webViewerHashchange);
    eventBus._off("beforeprint", _boundEvents.beforePrint);
    eventBus._off("afterprint", _boundEvents.afterPrint);
    eventBus._off("pagerendered", webViewerPageRendered);
    eventBus._off("updateviewarea", webViewerUpdateViewarea);
    eventBus._off("pagechanging", webViewerPageChanging);
    eventBus._off("scalechanging", webViewerScaleChanging);
    eventBus._off("rotationchanging", webViewerRotationChanging);
    eventBus._off("sidebarviewchanged", webViewerSidebarViewChanged);
    eventBus._off("pagemode", webViewerPageMode);
    eventBus._off("namedaction", webViewerNamedAction);
    eventBus._off("presentationmodechanged", webViewerPresentationModeChanged);
    eventBus._off("presentationmode", webViewerPresentationMode);
    eventBus._off("print", webViewerPrint);
    eventBus._off("download", webViewerDownload);
    eventBus._off("save", webViewerSave);
    eventBus._off("firstpage", webViewerFirstPage);
    eventBus._off("lastpage", webViewerLastPage);
    eventBus._off("nextpage", webViewerNextPage);