Remove NotificationSettings table (#5036

* helper

* Add script to move notification settings

* wip, removal of NotificationSettings

* event name

* iteration

* test

* test

* Remove last of NotificationSettings model

* refactor

* More fixes

* snapshots

* Change emails to class instances for type safety

* test

* docs

* Update migration for self-hosted

* tsc

server/queues/tasks/InviteReminderTask.test.ts

@@ -8,7 +8,7 @@ setupTestDatabase();
 
 describe("InviteReminderTask", () => {
   it("should not destroy documents not deleted", async () => {
-    const spy = jest.spyOn(InviteReminderEmail, "schedule");
+    const spy = jest.spyOn(InviteReminderEmail.prototype, "schedule");
 
     // too old
     await buildInvite({