feat: use network time instead of device time

[beradeep]

:bulb: Motivation and Context

Fix #223

:green_heart: How did you test it?

Tested it alongside existing device provider, works fine.

:pencil: Checklist

• [x] I reviewed the submitted code.
• [x] I added tests to verify the changes.
• [ ] I updated the docs if needed.
• [x] No breaking change or entry added to the changelog.