fix: Update conversation read status indicator logic (#5777)

app/javascript/dashboard/store/modules/conversations/actions.js

@@ -199,10 +199,6 @@ const actions = {
     }
   },
 
-  updateConversationRead({ commit }, timestamp) {
-    commit(types.SET_CONVERSATION_LAST_SEEN, timestamp);
-  },
-
   updateMessage({ commit }, message) {
     commit(types.ADD_MESSAGE, message);
   },

app/javascript/dashboard/store/modules/conversations/getters.js

@@ -91,9 +91,6 @@ const getters = {
       value => value.id === Number(conversationId)
     );
   },
-  getConversationLastSeen: _state => {
-    return _state.conversationLastSeen;
-  },
 };
 
 export default getters;

app/javascript/dashboard/store/modules/conversations/index.js

@@ -13,7 +13,6 @@ const state = {
   currentInbox: null,
   selectedChatId: null,
   appliedFilters: [],
-  conversationLastSeen: null,
 };
 
 // mutations
@@ -34,9 +33,6 @@ export const mutations = {
     _state.allConversations = [];
     _state.selectedChatId = null;
   },
-  [types.SET_CONVERSATION_LAST_SEEN](_state, timestamp) {
-    _state.conversationLastSeen = timestamp;
-  },
   [types.SET_ALL_MESSAGES_LOADED](_state) {
     const [chat] = getSelectedChatConversation(_state);
     Vue.set(chat, 'allMessagesLoaded', true);