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
this.externalServices.reportTelemetry({
      type: "unsupportedFeature",
      featureId,
    });
    
    
    if (this._fellback) {
      return;
    }
    this._fellback = true;
    this.externalServices
      .fallback({
        featureId,
        url: this.baseUrl,
      })
      .then(download => {
        if (!download) {
          return;
        }
        this.download({ sourceEventType: "download" });
      });
  },
  /**
   * Show the error box; used for errors affecting loading and/or parsing of
   * the entire PDF document.
   */
  _documentError(message, moreInfo = null) {