STR:
  - Go to https://mozilla.github.io/pdf.js/web/viewer.html
  - Click on "Open File" and open a pdf

The `Download` button and the `Current view` one just disappear.
I can reproduce this bug with Firefox nightly, Chrome stable and Epiphany on debian.
if (!this.pdfHistory) {
      return;
    }
    this.pdfHistory.initialize({
      fingerprint,
      resetHistory: viewOnLoad === ViewOnLoad.INITIAL,
      updateUrl: AppOptions.get("historyUpdateUrl"),
    });
    if (this.pdfHistory.initialBookmark) {
      this.initialBookmark = this.pdfHistory.initialBookmark;
      this.initialRotation = this.pdfHistory.initialRotation;
    }
    
    if (
      initialDest &&
      !this.initialBookmark &&
      viewOnLoad === ViewOnLoad.UNKNOWN
    ) {
      this.initialBookmark = JSON.stringify(initialDest);
      
      
      this.pdfHistory.push({ explicitDest: initialDest, pageNumber: null });
    }
  },
  /**
   * @private
   */
  async _initializePermissions(pdfDocument) {