[#247] Filters conversation by status and paginate conversations (#284)

* [#247] Filters conversation by status

* Fixes conversation finder specs

* [#248] Paginates conversation

* Use method name in description

* Move page to default param, add filters on frontend

* Fix code climate issues

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

@@ -47,6 +47,7 @@ const getters = {
   },
   getChatStatusFilter: ({ chatStatusFilter }) => chatStatusFilter,
   getSelectedInbox: ({ currentInbox }) => currentInbox,
+  getConvTabStats: ({ convTabStats }) => convTabStats,
 };
 
 export default getters;