FEAT #13678 TIME 1:20 change type of user_id to integer in notif_event_stack

migration/20.10/2010.sql

modules/notifications/batch/basket_event_stack.php

modules/notifications/batch/load_process_email_stack.php

modules/templates/datasources/letterbox_events.php

modules/templates/datasources/mlb_notes_content.php

sql/structure.sql

src/app/history/controllers/HistoryController.php

.../notification/models/NotificationsEventsModelAbstract.php

src/app/user/controllers/UserController.php