Bug: Fix conversation not loading from the links in email (#602)

Bug: Load conversation from links

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

@@ -7,6 +7,15 @@ import FBChannel from '../../../api/channel/fbChannel';
 
 // actions
 const actions = {
+  getConversation: async ({ commit }, conversationId) => {
+    try {
+      const response = await ConversationApi.show(conversationId);
+      commit(types.default.ADD_CONVERSATION, response.data);
+    } catch (error) {
+      // Ignore error
+    }
+  },
+
   fetchAllConversations: async ({ commit, dispatch }, params) => {
     commit(types.default.SET_LIST_LOADING_STATUS);
     try {

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

@@ -33,12 +33,13 @@ const getters = {
   getChatListLoadingStatus: ({ listLoadingStatus }) => listLoadingStatus,
   getAllMessagesLoaded(_state) {
     const [chat] = getSelectedChatConversation(_state);
-    return chat.allMessagesLoaded === undefined
+    return !chat || chat.allMessagesLoaded === undefined
       ? false
       : chat.allMessagesLoaded;
   },
   getUnreadCount(_state) {
     const [chat] = getSelectedChatConversation(_state);
+    if (!chat) return [];
     return chat.messages.filter(
       chatMessage =>
         chatMessage.created_at * 1000 > chat.agent_last_seen_at * 1000 &&