Show QR codes separately so that it looks better on small netbook-like screens

src/freedombone-controlpanel-user

            --backtitle $"Freedombone User Control Panel" \
            --msgbox "${msgstrbase}${bdsmailstr}" $dialog_height 100
 
-    clear
-    qr_code_shown=
     if [ "$onion_domain" ]; then
+        clear
         echo ''
         echo $'Your onion email address:'
         echo ''
         echo -n "${USER}@${onion_domain}" | qrencode -t UTF8
         echo ''
-        qr_code_shown=1
+        any_key
     fi
     if [ "${bdsmail_address}" ]; then
+        clear
         echo ''
         echo $'Your bdsmail address:'
         echo ''
         echo -n "${bdsmail_address}" | qrencode -t UTF8
         echo ''
-        qr_code_shown=1
-    fi
-    if [ $qr_code_shown ]; then
         any_key
     fi
 }