Add filtering to the proposals page and support URL based filtering

[JonRay15]

Blocked by #2990

The Chore

This would help us to support users in Console that need to see any proposals impacting a single market for instance.

Tasks

• [ ] Proposal page should accept a query string eg /proposals?type=UpdateMarket&marketId=xyz&votePubkey=123 so that a link can be shared or available on other apps
• [ ] Add UI to set type
• [ ] Should include:
  • [ ] Ability to filter by market ID on market updates
    • There is no market Id filter this will need to be done client side
  • [ ] Type
  • [ ] Un-voted vs voted (votepubKey)

Additional details / background info