Update whatsapp-for-linux to version 1.6.1 / rev 7 via SR 1067719
    
    https://build.opensuse.org/request/show/1067719
    by user jubalh + dimstar_suse
    - Update to 1.6.1:
      * Implemented enhancements:
        + Implement Ctrl+/- and Ctrl+scroll Zoom In/Out shortcuts #276
        + WhatsApp Web: Pass [ALT] key as [CMD] #280