bugfix: hide the reply button on retracted messages

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

@@ -13,6 +13,12 @@ converse.plugins.add('sib-reply-to-message', {
     }
 
     api.listen.on('getMessageActionButtons', (el, buttons) => {
+
+      // Do not add the reply button if the message is retracted or correcting
+      if (el.is_retracted || el.correcting) {
+        return buttons;
+      }
+
       buttons.push({
         'i18n_text': __('Reply'),
         'handler': ev => {