bugfix: forces refresh of the ui on message parsing

src/plugins/sib-reactions.js

@@ -30,7 +30,7 @@ converse.plugins.add('sib-reactions', {
               from_real_jid: attrs.from_real_jid,
             };
 
-            message.set('reactions', reactions);
+            message.set('reactions', {}); // Forces refresh
             message.save('reactions', reactions);
           }
         }