Ultimate Member - Real-time Notifications 2.3.6

* Added: `force_show_create_pages()` on first time install
* Fixed: Setup predefined pages only after "Create Pages" click in admin notice

* Fixed: PHP warnings
* Tweak: Template overwrite versioning

* Fixed: Notify user about changing role from wp-admin > Users screen
* Fixed: Load more button display after actions for notifications in the notifications feed
* Fixed: Dropdown.js when scrolling
* Fixed: Data offset when loading notifications feed or making the actions with notification
* Fixed: Notifications and messaging integration. Adding real-time messaging notifications updating. Mark messages as read in the real time

* Templates required update:
- account-webnotifications.php