feat: fees for vote transaction

[patricio0312rev]

[general] allow passing fee for vote transaction

Summary

• Typing for vote request and response have been updated.
• Fee can now be passed for vote transactions.

Steps to reproduce

1. Run demo using pnpm dev in feat/fees-to-vote-modal branch from this PR.
2. Run this branch for extension using pnpm dev or pnpm dev:bare (make sure to have at least 1 address in your wallet).
3. In demo, connect your wallet.
4. Click in Vote button.
5. Select a fee and a candidate.
6. Wait until the wallet window opens and see the magic ✨

Checklist

• I checked that both pnpm dev and pnpm dev:bare work as intended
• I checked the basic extension interactions and made sure wallet selection works
• I checked my UI changes against the design and there are no notable differences, including responsiveness
• I checked my (code) changes for obvious issues, debug statements and commented code
• I opened a corresponding card on Clickup for any remaining TODOs in my code
• I added a short description on how to test this PR (if necessary)
• Ready to be merged