better fix

src/services/chat_utils/chat_utils.js

@@ -5,8 +5,6 @@ import { useUsersStore } from 'src/stores/users.js'
 export const maybeShowChatNotification = (chat) => {
   // No messages
   if (!chat.lastMessage) return
-  // Already shown notification for this message
-  if (chat.lastMessage.id === chat.lastNotifiedMessageId) return
   // No unreads to display
   if (chat.unread === 0) return
   // Don't notify on outgoing message (shouldn't happen with condition above)
@@ -24,7 +22,6 @@ export const maybeShowChatNotification = (chat) => {
     opts.image = chat.lastMessage.attachment.preview_url
   }
 
-  chat.lastNotifiedMessageId = chat.lastMessage.id
   showDesktopNotification(opts)
 }
 

src/stores/chats.js

@@ -79,13 +79,15 @@ export const useChatsStore = defineStore('chats', {
     updateChat(updatedChat) {
       const chat = this.data.get(updatedChat.id)
       if (chat) {
+        const isNewMessage = chat.lastMessage !== updatedChat.lastMessage
         chat.lastMessage = updatedChat.lastMessage
         chat.unread = updatedChat.unread
         chat.updated_at = updatedChat.updated_at
+        if (!isNewMessage) return
       } else {
         this.data.set(updatedChat.id, updatedChat)
       }
-      maybeShowChatNotification(chat ?? updatedChat)
+      maybeShowChatNotification(chat)
     },
     deleteChat(id) {
       this.data.delete(id)