fix: derive host name & location from API data

[kenthejr]

Description:
This PR modifies the Staking.vue file to:

• derive node Name & Location from the API-retrieved data
• which prevents future out-of-bounds issues where the node Name & Location data doesn't match the API-retrieved data

[netlify]

✅ Deploy Preview for myhbarwallet ready!

Name	Link
🔨 Latest commit	4120619
🔍 Latest deploy log	https://app.netlify.com/sites/myhbarwallet/deploys/64c193aeb631d0000763d1d8
😎 Deploy Preview	https://deploy-preview-596--myhbarwallet.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.