[docs] Add noopener/noreferrer to window.open example

[Madmin27]

[docs] Add noopener/noreferrer to window.open example

Summary

The social verification guide includes a window.open(..., '_blank') example without noopener or noreferrer.

Affected file

• docs/base-account/guides/verify-social-accounts.mdx
• Line 431

Current code

window.open(deepLink, '_blank')

Suggested code

window.open(deepLink, '_blank', 'noopener,noreferrer')

Why this matters

When opening a new browsing context, explicitly using noopener helps prevent the opened page from gaining access to the opener context. This makes the docs example safer for developers to copy into production apps.