feat(core): Add MFA (#4767)

https://linear.app/n8n/issue/ADO-947/sync-branch-with-master-and-fix-fe-e2e-tets

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

packages/editor-ui/src/event-bus/index.ts

@@ -3,3 +3,4 @@ export * from './data-pinning';
 export * from './link-actions';
 export * from './html-editor';
 export * from './node-view';
+export * from './mfa';

packages/editor-ui/src/event-bus/mfa.ts

@@ -0,0 +1,3 @@
+import { createEventBus } from 'n8n-design-system';
+
+export const mfaEventBus = createEventBus();