PLT-3518/PLT-3519 Custom emoji followup (#3507)

* Fixed emoji list filter when full name or nickname are enabled

* Changed custom emoji list to only be visible if the user can create custom emoji

webapp/stores/team_store.jsx

@@ -214,4 +214,5 @@ TeamStore.dispatchToken = AppDispatcher.register((payload) => {
     }
 });
 
+window.TeamStore = TeamStore;
 export default TeamStore;