Use integer type of notitication ids (avoid redundant casting for getting maxId in addNewNotifications)

src/modules/statuses.js

@@ -273,11 +273,10 @@ const addNewNotifications = (state, { dispatch, notifications, older, visibleNot
 
     // Only add a new notification if we don't have one for the same action
     if (!state.notifications.idStore.hasOwnProperty(notification.id)) {
-      const notificationId = parseInt(notification.id, 10)
-      state.notifications.maxId = notificationId > parseInt(state.notifications.maxId, 10)
+      state.notifications.maxId = notification.id > state.notifications.maxId
         ? notification.id
         : state.notifications.maxId
-      state.notifications.minId = notificationId < parseInt(state.notifications.minId, 10)
+      state.notifications.minId = notification.id < state.notifications.minId
         ? notification.id
         : state.notifications.minId
 

src/services/entity_normalizer/entity_normalizer.service.js

@@ -268,7 +268,7 @@ export const parseNotification = (data) => {
   }
 
   output.created_at = new Date(data.created_at)
-  output.id = String(data.id)
+  output.id = data.id
 
   return output
 }