fix incorrect unread counter is displayed when a message is removed (#19217)

src/legacy/status_im/chat/models/message.cljs

@@ -4,7 +4,6 @@
     [legacy.status-im.chat.models.loading :as chat.loading]
     [legacy.status-im.data-store.messages :as data-store.messages]
     [legacy.status-im.utils.deprecated-types :as types]
-    [re-frame.core :as re-frame]
     [react-native.platform :as platform]
     [status-im.contexts.chat.messenger.messages.delete-message.events :as delete-message]
     [status-im.contexts.chat.messenger.messages.list.events :as message-list]
@@ -135,9 +134,7 @@
                                     message-id (:messageId removed-message)]
                                 (data-store.messages/mark-messages-seen chat-id
                                                                         [message-id]
-                                                                        #(re-frame/dispatch
-                                                                          [:chat/decrease-unviewed-count
-                                                                           chat-id %3]))))
+                                                                        nil)))
                             removed-messages)
         remove-messages-fx (fn [{:keys [db]}]
                              {:dispatch [:activity-center.notifications/fetch-unread-count]})]

src/status_im/contexts/chat/events.cljs

@@ -243,18 +243,6 @@
                  (update :chats-home-list conj chat-id))
      :dispatch [:chat/pop-to-root-and-navigate-to-chat chat-id]}))
 
-(rf/defn decrease-unviewed-count
-  {:events [:chat/decrease-unviewed-count]}
-  [{:keys [db]} chat-id {:keys [count countWithMentions]}]
-  {:db (-> db
-           ;; There might be some other requests being fired, so we need to make sure the count has
-           ;; not been set to
-           ;; 0 in the meantime
-           (update-in [:chats chat-id :unviewed-messages-count]
-                      #(max (- % count) 0))
-           (update-in [:chats chat-id :unviewed-mentions-count]
-                      #(max (- % countWithMentions) 0)))})
-
 (rf/defn start-chat
   "Start a chat, making sure it exists"
   {:events [:chat.ui/start-chat]}