dynamic theme icon & persistence accross reloads

[takshakmudgal]

Make sure that the theme icon updates dynamically based on the theme change & there is proper theme persistence accross reloads.

https://github.com/user-attachments/assets/3b3fc56d-3fe7-4b55-95b5-ea282663df3b

[akhisud3195]

Merged PR https://github.com/rowboatlabs/rowboat/pull/94 to dev!

Thanks :) Do join our discord if you haven't already - https://discord.com/invite/jHhUKkKHn8 We gave you a callout on discord.

We'll close this issue once its merged to main.

[ramnique]

This was merged to main