refactor(core): Make workflow services injectable (no-changelog) (#8033)

Refactor static workflow service classes into DI-compatible classes

Context: https://n8nio.slack.com/archives/C069HS026UF/p1702466571648889

Up next:
- Inject dependencies into workflow services
- Consolidate workflow controllers into one
- Make workflow controller injectable
- Inject dependencies into workflow controller

---------

Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>

packages/cli/src/workflows/workflows.controller.ts

@@ -15,7 +15,7 @@ import { ExternalHooks } from '@/ExternalHooks';
 import type { ListQuery, WorkflowRequest } from '@/requests';
 import { isBelowOnboardingThreshold } from '@/WorkflowHelpers';
 import { EEWorkflowController } from './workflows.controller.ee';
-import { WorkflowsService } from './workflows.services';
+import { WorkflowService } from './workflow.service';
 import { whereClause } from '@/UserManagement/UserManagementHelper';
 import { In } from 'typeorm';
 import { Container } from 'typedi';
@@ -120,7 +120,7 @@ workflowsController.get(
 		try {
 			const sharedWorkflowIds = await WorkflowHelpers.getSharedWorkflowIds(req.user, ['owner']);
 
-			const { workflows: data, count } = await WorkflowsService.getMany(
+			const { workflows: data, count } = await Container.get(WorkflowService).getMany(
 				sharedWorkflowIds,
 				req.listQueryOptions,
 			);
@@ -245,7 +245,7 @@ workflowsController.patch(
 		const { tags, ...rest } = req.body;
 		Object.assign(updateData, rest);
 
-		const updatedWorkflow = await WorkflowsService.update(
+		const updatedWorkflow = await Container.get(WorkflowService).update(
 			req.user,
 			updateData,
 			workflowId,
@@ -267,7 +267,7 @@ workflowsController.delete(
 	ResponseHelper.send(async (req: WorkflowRequest.Delete) => {
 		const { id: workflowId } = req.params;
 
-		const workflow = await WorkflowsService.delete(req.user, workflowId);
+		const workflow = await Container.get(WorkflowService).delete(req.user, workflowId);
 		if (!workflow) {
 			Container.get(Logger).verbose('User attempted to delete a workflow without permissions', {
 				workflowId,
@@ -288,6 +288,10 @@ workflowsController.delete(
 workflowsController.post(
 	'/run',
 	ResponseHelper.send(async (req: WorkflowRequest.ManualRun): Promise<IExecutionPushResponse> => {
-		return WorkflowsService.runManually(req.body, req.user, GenericHelpers.getSessionId(req));
+		return Container.get(WorkflowService).runManually(
+			req.body,
+			req.user,
+			GenericHelpers.getSessionId(req),
+		);
 	}),
 );