chore: fix rpc consensus_state height_vote_set

[albttx]

It seems there is an error on amino parsing RoundStateSimple.Votes

Before

{
  "jsonrpc": "2.0",
  "id": "",
  "result": {
    "round_state": {
      "height/round/step": "810255/0/1",
      "start_time": "2024-08-14T10:48:40.822715298Z",
      "proposal_block_hash": null,
      "locked_block_hash": null,
      "valid_block_hash": null,
      "height_vote_set": {}
    }
  }
}

After

{
  "jsonrpc": "2.0",
  "id": "",
  "result": {
    "round_state": {
      "height/round/step": "87/0/4",
      "start_time": "2024-08-14T10:46:41.086066222Z",
      "proposal_block_hash": "RzxP5+qPE3m2TmSIPToKlXZSQrsbPpZaVDHBipWceTs=",
      "locked_block_hash": null,
      "valid_block_hash": null,
      "height_vote_set": [
        {
          "round": "0",
          "prevotes": [
            "Vote{0:0E33DB6910E5 87/00/1(Prevote) 473C4FE7EA8F D1B277E50809 @ 2024-08-14T10:46:41.115790322Z}",
            "Vote{1:102A3FB16690 87/00/1(Prevote) 473C4FE7EA8F 05871AA71823 @ 2024-08-14T10:46:41.010870819Z}",
            "nil-Vote"
          ],
          "prevotes_bit_array": "BA{3:xx_} 2/3 = 0.67",
          "precommits": [
            "nil-Vote",
            "nil-Vote",
            "nil-Vote"
          ],
          "precommits_bit_array": "BA{3:___} 0/3 = 0.00"
        },
        {
          "round": "1",
          "prevotes": [
            "nil-Vote",
            "nil-Vote",
            "nil-Vote"
          ],
          "prevotes_bit_array": "BA{3:___} 0/3 = 0.00",
          "precommits": [
            "nil-Vote",
            "nil-Vote",
            "nil-Vote"
          ],
          "precommits_bit_array": "BA{3:___} 0/3 = 0.00"
        }
      ]
    }
  }

After the fix, i realized that tendermint1 latest version is using json too on this field

https://github.com/tendermint/tendermint/blob/35581cf54ec436b8c37fabb43fdaa3f48339a170/rpc/jsonrpc/types/types.go#L187-L200

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.15%. Comparing base (c606efe) to head (d6f4813).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2696      +/-   ##
==========================================
- Coverage   60.15%   60.15%   -0.01%     
==========================================
  Files         561      561              
  Lines       74999    74999              
==========================================
- Hits        45119    45112       -7     
- Misses      26505    26509       +4     
- Partials     3375     3378       +3     

Flag	Coverage Δ
contribs/gnodev	60.58% <ø> (-0.82%)	⬇️
contribs/gnofaucet	14.46% <ø> (-0.86%)	⬇️
gnovm	64.13% <ø> (ø)
misc/genstd	80.54% <ø> (ø)
misc/logos	20.23% <ø> (+0.35%)	⬆️
tm2	62.03% <100.00%> (-0.03%)	⬇️

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[zivkovicmilos]

Can we figure out why the Amino JSON is causing an empty object? What is the type of res?
Maybe we just need to register the package / type with Amino

It's now causing tests to fail, most likely because we use Amino JSON to unmarshal all responses / requests