refactor(core): Use an IoC container to manage singleton classes [Part-2] (no-changelog) (#5690)

* use typedi for UserManagementMailer

* use typedi for SamlService

* fix typos

* use typedi for Queue

* use typedi for License

* convert some more code to use typedi

packages/cli/src/WaitTracker.ts

@@ -10,6 +10,7 @@ import {
 	LoggerProxy as Logger,
 	WorkflowOperationError,
 } from 'n8n-workflow';
+import { Service } from 'typedi';
 import type { FindManyOptions, ObjectLiteral } from 'typeorm';
 import { Not, LessThanOrEqual } from 'typeorm';
 import { DateUtils } from 'typeorm/util/DateUtils';
@@ -17,7 +18,6 @@ import { DateUtils } from 'typeorm/util/DateUtils';
 import config from '@/config';
 import * as Db from '@/Db';
 import * as ResponseHelper from '@/ResponseHelper';
-import { ActiveExecutions } from '@/ActiveExecutions';
 import type {
 	IExecutionFlattedDb,
 	IExecutionsStopData,
@@ -25,12 +25,9 @@ import type {
 } from '@/Interfaces';
 import { WorkflowRunner } from '@/WorkflowRunner';
 import { getWorkflowOwner } from '@/UserManagement/UserManagementHelper';
-import { Container, Service } from 'typedi';
 
 @Service()
 export class WaitTracker {
-	activeExecutionsInstance: ActiveExecutions;
-
 	private waitingExecutions: {
 		[key: string]: {
 			executionId: string;
@@ -41,8 +38,6 @@ export class WaitTracker {
 	mainTimer: NodeJS.Timeout;
 
 	constructor() {
-		this.activeExecutionsInstance = Container.get(ActiveExecutions);
-
 		// Poll every 60 seconds a list of upcoming executions
 		this.mainTimer = setInterval(() => {
 			this.getWaitingExecutions();