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/executions/executionHelpers.ts

@@ -1,6 +1,7 @@
+import { Container } from 'typedi';
 import type { IExecutionFlattedDb } from '@/Interfaces';
 import type { ExecutionStatus } from 'n8n-workflow';
-import { getLicense } from '@/License';
+import { License } from '@/License';
 import config from '@/config';
 
 export function getStatusUsingPreviousExecutionStatusMethod(
@@ -20,7 +21,7 @@ export function getStatusUsingPreviousExecutionStatusMethod(
 }
 
 export function isAdvancedExecutionFiltersEnabled(): boolean {
-	const license = getLicense();
+	const license = Container.get(License);
 	return (
 		config.getEnv('enterprise.features.advancedExecutionFilters') ||
 		license.isAdvancedExecutionFiltersEnabled()

packages/cli/src/executions/executions.service.ts

@@ -26,7 +26,7 @@ import type {
 	IWorkflowExecutionDataProcess,
 } from '@/Interfaces';
 import { NodeTypes } from '@/NodeTypes';
-import * as Queue from '@/Queue';
+import { Queue } from '@/Queue';
 import type { ExecutionRequest } from '@/requests';
 import * as ResponseHelper from '@/ResponseHelper';
 import { getSharedWorkflowIds } from '@/WorkflowHelpers';
@@ -197,7 +197,7 @@ export class ExecutionsService {
 		const executingWorkflowIds: string[] = [];
 
 		if (config.getEnv('executions.mode') === 'queue') {
-			const queue = await Queue.getInstance();
+			const queue = Container.get(Queue);
 			const currentJobs = await queue.getJobs(['active', 'waiting']);
 			executingWorkflowIds.push(...currentJobs.map(({ data }) => data.executionId));
 		}