FIX: ensures edited message is correctly re-decorated (#20637)

plugins/chat/assets/javascripts/discourse/components/chat-live-pane.js

@@ -632,7 +632,7 @@ export default class ChatLivePane extends Component {
   handleRefreshMessage(data) {
     const message = this.args.channel.findMessage(data.chat_message.id);
     if (message) {
-      message.version = message.version + 1;
+      message.incrementVersion();
     }
   }
 
@@ -644,6 +644,7 @@ export default class ChatLivePane extends Component {
       message.excerpt = data.chat_message.excerpt;
       message.uploads = cloneJSON(data.chat_message.uploads || []);
       message.edited = true;
+      message.incrementVersion();
     }
   }
 

plugins/chat/assets/javascripts/discourse/models/chat-message.js

@@ -123,6 +123,10 @@ export default class ChatMessage {
     return this.channel?.messages?.objectAt?.(this.index + 1);
   }
 
+  incrementVersion() {
+    this.version++;
+  }
+
   react(emoji, action, actor, currentUserId) {
     const selfReaction = actor.id === currentUserId;
     const existingReaction = this.reactions.find(