fix(core): Make sure mfa secret and recovery codes are not returned on login (#7936)

## Summary

What: Fix issue of login endpoint returning secret and recovery codes
when MFA is enabled. Bug was introduced in this
[PR](https://github.com/n8n-io/n8n/pull/6994), specifically in this
[line](https://github.com/n8n-io/n8n/pull/6994/files#diff-95a87cb029a3d26e6722df2e68132453fc254fc1f4540cbdaa95cfdbda1893deL91).

Why: We should not be filtering the secret and recovery codes

Same PR caused the issues on ticket ->
https://linear.app/n8n/issue/ADO-1494/on-user-list-copy-password-reset-link-and-copy-invite-link-are-broken

## Review / Merge checklist
- [x] PR title and summary are descriptive. **Remember, the title
automatically goes into the changelog. Use `(no-changelog)` otherwise.**
([conventions](https://github.com/n8n-io/n8n/blob/master/.github/pull_request_title_conventions.md))
- [x] [Docs updated](https://github.com/n8n-io/n8n-docs) or follow-up
ticket created.
- [x] Tests included.
> A bug is not considered fixed, unless a test is added to prevent it
from happening again. A feature is not complete without tests.
  >
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packages/cli/src/services/user.service.ts

@@ -125,7 +125,8 @@ export class UserService {
 		user: User,
 		options?: { withInviteUrl?: boolean; posthog?: PostHogClient; withScopes?: boolean },
 	) {
-		const { password, updatedAt, apiKey, authIdentities, ...rest } = user;
+		const { password, updatedAt, apiKey, authIdentities, mfaRecoveryCodes, mfaSecret, ...rest } =
+			user;
 
 		const ldapIdentity = authIdentities?.find((i) => i.providerType === 'ldap');