feat(uniond): re-scaffold uniond on SDK v0.50 (#3957)

- Re-scaffolds `uniond` with ignite cli
- Cosmos SDK base is v0.50.11
- CometBLS base is CometBFTv1
- Wasmd base is v0.54.0
- WasmVM base is v2.2.1
- ibc-go config can now be found inside `uniond/app/ibc.go`
- wasmd/wasmvm config can now be found inside `uniond/app/wasm.go`
- Added `x/feemarket` and `x/poa`
- Added our own mempool hooks for priority account mempool
- `x/staking` has been removed until we're ready to migrate away from
POA