Fix call to Sao.Logger.error

Closes #12778
(grafted from 5b24f611c7ea8f97fcc69c815111ee865ad95800)

--HG--
branch : 7.0

sao/src/common.js

@@ -3199,7 +3199,7 @@
                             return img_url;
                         })
                         .fail(() => {
-                            Sao.error("Unknown icon %s", icon_name);
+                            Sao.Logger.error("Unknown icon %s", icon_name);
                         });
                 }
             });

sao/src/session.js

@@ -172,7 +172,7 @@
                     'sao_device_cookies', JSON.stringify(device_cookies));
             });
             renew_prm.fail(() => {
-                Sao.error("Cannot renew device cookie");
+                Sao.Logger.error("Cannot renew device cookie");
             });
         }
     });