feat: governance details dashboard pane

[maxwellmattryan]

Summary

Please summarize your changes, describing what they are and why they were made.

This is needed to replace the mocked numbers.

Changelog

- Add logic to calculate proposals details

Relevant Issues

Please list any related issues using development keywords.

Closes #5261

Testing

Platforms

Please select any platforms where your changes have been tested.

• Desktop
  • MacOS
  • Linux
  • Windows
• Mobile
  • iOS
  • Android

Instructions

Please describe the specific instructions, configurations, and/or test cases necessary to test and verify that your changes work as intended.

Populate the dashboard with multiple proposals and vote for a few of them, with some other of them expired.

Checklist

Please tick all of the following boxes that are relevant to your changes.

• I have followed the contribution guidelines for this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or modified tests that prove my changes work as intended
• I have verified that new and existing unit tests pass locally with my changes
• I have verified that my latest changes pass CI workflows for testing and linting
• I have made corresponding changes to the documentation

[jeeanribeiro]

Did some minor fixes and David approved it, LGTM! 🚀