refactor(core): Extract ActiveWebhooks out of ActiveWorkflowRunner (no-changelog) (#8171)

## Summary
This PR continues refactoring webhooks code for better modularity.
Continued from #8069 to bring back `ActiveWebhooks`, but this time
actually handling active webhook calls in this class.

## Review / Merge checklist
- [x] PR title and summary are descriptive

packages/cli/src/AbstractServer.ts

@@ -7,7 +7,6 @@ import isbot from 'isbot';
 
 import config from '@/config';
 import { N8N_VERSION, inDevelopment, inTest } from '@/constants';
-import { ActiveWorkflowRunner } from '@/ActiveWorkflowRunner';
 import * as Db from '@/Db';
 import { N8nInstanceType } from '@/Interfaces';
 import { ExternalHooks } from '@/ExternalHooks';
@@ -21,6 +20,7 @@ import { generateHostInstanceId } from './databases/utils/generators';
 import { Logger } from '@/Logger';
 import { ServiceUnavailableError } from './errors/response-errors/service-unavailable.error';
 import { OnShutdown } from '@/decorators/OnShutdown';
+import { ActiveWebhooks } from '@/ActiveWebhooks';
 
 @Service()
 export abstract class AbstractServer {
@@ -32,8 +32,6 @@ export abstract class AbstractServer {
 
 	protected externalHooks: ExternalHooks;
 
-	protected activeWorkflowRunner: ActiveWorkflowRunner;
-
 	protected protocol: string;
 
 	protected sslKey: string;
@@ -162,7 +160,6 @@ export abstract class AbstractServer {
 		await new Promise<void>((resolve) => this.server.listen(PORT, ADDRESS, () => resolve()));
 
 		this.externalHooks = Container.get(ExternalHooks);
-		this.activeWorkflowRunner = Container.get(ActiveWorkflowRunner);
 
 		await this.setupHealthCheck();
 
@@ -179,16 +176,13 @@ export abstract class AbstractServer {
 
 		// Setup webhook handlers before bodyParser, to let the Webhook node handle binary data in requests
 		if (this.webhooksEnabled) {
-			const activeWorkflowRunner = Container.get(ActiveWorkflowRunner);
+			const activeWebhooks = Container.get(ActiveWebhooks);
 
 			// Register a handler for active forms
-			this.app.all(`/${this.endpointForm}/:path(*)`, webhookRequestHandler(activeWorkflowRunner));
+			this.app.all(`/${this.endpointForm}/:path(*)`, webhookRequestHandler(activeWebhooks));
 
 			// Register a handler for active webhooks
-			this.app.all(
-				`/${this.endpointWebhook}/:path(*)`,
-				webhookRequestHandler(activeWorkflowRunner),
-			);
+			this.app.all(`/${this.endpointWebhook}/:path(*)`, webhookRequestHandler(activeWebhooks));
 
 			// Register a handler for waiting forms
 			this.app.all(