fix(dashboard): opt-in redirect logic fix

[LetItRock]

What changed? Why was the change needed?

• fixed the dashboard opt-in logic that was running to early
• improved the login page layout

Screenshots

https://github.com/user-attachments/assets/5984d74d-b25c-46ef-9566-eabe66ea61ee

[netlify[bot]]

✅ Deploy Preview for novu-stg-vite-dashboard-poc ready!

Name	Link
🔨 Latest commit	996a3680f83b686bce75f9b9cdf89f98ef34609a
🔍 Latest deploy log	https://app.netlify.com/sites/novu-stg-vite-dashboard-poc/deploys/67375a982e24f600087cd167
😎 Deploy Preview	https://deploy-preview-7017--novu-stg-vite-dashboard-poc.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.