bugfix: avoid reply on new messages from the same user

src/plugins/sib-reply-to-message.js

 /**
  * Add an action button to reply to a message.
+ * TODO: Add settings to handle this plugin
  */
 converse.plugins.add('sib-reply-to-message', {
   initialize() {
@@ -11,7 +12,7 @@ converse.plugins.add('sib-reply-to-message', {
 
       // Do not add if the message is not from a MUC
       // Do not add if the message is from the current user
-      if (el.model.get('type') !== 'groupchat' || el.model.get('from_real_jid') === _converse.bare_jid) {
+      if (el.model.get('type') !== 'groupchat' || el.model.get('sender') === 'me') {
         return buttons;
       }