chore: Refactor worker, emails and data cleanup to task system (#3337)

* Refactor worker, all emails on task system

* fix

* lint

* fix: Remove a bunch of expect-error comments in related tests

* refactor: Move work from utils.gc into tasks

* test

* Add tracing to tasks and processors
fix: DebounceProcessor triggering on all events
Event.add -> Event.schedule

server/queues/tasks/BaseTask.ts

@@ -0,0 +1,36 @@
+import { JobOptions } from "bull";
+import { taskQueue } from "../";
+
+export enum TaskPriority {
+  Background = 40,
+  Low = 30,
+  Normal = 20,
+  High = 10,
+}
+
+export default abstract class BaseTask<T> {
+  public static schedule<T>(props: T) {
+    // @ts-expect-error cannot create an instance of an abstract class, we wont
+    const task = new this();
+    return taskQueue.add(
+      {
+        name: this.name,
+        props,
+      },
+      task.options
+    );
+  }
+
+  public abstract perform(props: T): Promise<void>;
+
+  public get options(): JobOptions {
+    return {
+      priority: TaskPriority.Normal,
+      attempts: 5,
+      backoff: {
+        type: "exponential",
+        delay: 60 * 1000,
+      },
+    };
+  }
+}