fixup! Customize moz-toggle for tor-browser.

  inputTemplate() {

    const { pressed, disabled, ariaLabel, handleClick } = this;

    let ariaDescription = undefined;

    if (!this.hasDescription) {

      ariaDescription = this.ariaDescription;

      if (

        !ariaDescription &&

        this.title &&

        this.title !== (ariaLabel || this.label)

      ) {

        // For tor-browser, if we have a title we use it as the

        // aria-description. Used for tor-browser#41333.

        // Only set the description using the title if it differs from the

        // accessible name derived from the label (ariaLabel || this.label).

        ariaDescription = this.title;

      }

    }

    return html`<button

      id="input"

      part="button"

      aria-pressed=${pressed}

      aria-label=${ifDefined(ariaLabel ?? undefined)}

      aria-describedby="description"

      aria-description=${ifDefined(

        this.hasDescription ? undefined : this.ariaDescription

      )}

      aria-description=${ifDefined(ariaDescription)}

      accesskey=${ifDefined(this.accessKey)}

      @click=${handleClick}

    ></button>`;