fix: query account balance by ibc denom (#10394)

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## Description

Closes: #10381 

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docs/core/proto-docs.md

@@ -2291,7 +2291,7 @@ Query defines the gRPC querier service.
 
 | Method Name | Request Type | Response Type | Description | HTTP Verb | Endpoint |
 | ----------- | ------------ | ------------- | ------------| ------- | -------- |
-| `Balance` | [QueryBalanceRequest](#cosmos.bank.v1beta1.QueryBalanceRequest) | [QueryBalanceResponse](#cosmos.bank.v1beta1.QueryBalanceResponse) | Balance queries the balance of a single coin for a single account. | GET|/cosmos/bank/v1beta1/balances/{address}/{denom}|
+| `Balance` | [QueryBalanceRequest](#cosmos.bank.v1beta1.QueryBalanceRequest) | [QueryBalanceResponse](#cosmos.bank.v1beta1.QueryBalanceResponse) | Balance queries the balance of a single coin for a single account. | GET|/cosmos/bank/v1beta1/balances/{address}/by_denom|
 | `AllBalances` | [QueryAllBalancesRequest](#cosmos.bank.v1beta1.QueryAllBalancesRequest) | [QueryAllBalancesResponse](#cosmos.bank.v1beta1.QueryAllBalancesResponse) | AllBalances queries the balance of all coins for a single account. | GET|/cosmos/bank/v1beta1/balances/{address}|
 | `TotalSupply` | [QueryTotalSupplyRequest](#cosmos.bank.v1beta1.QueryTotalSupplyRequest) | [QueryTotalSupplyResponse](#cosmos.bank.v1beta1.QueryTotalSupplyResponse) | TotalSupply queries the total supply of all coins. | GET|/cosmos/bank/v1beta1/supply|
 | `SupplyOf` | [QuerySupplyOfRequest](#cosmos.bank.v1beta1.QuerySupplyOfRequest) | [QuerySupplyOfResponse](#cosmos.bank.v1beta1.QuerySupplyOfResponse) | SupplyOf queries the supply of a single coin. | GET|/cosmos/bank/v1beta1/supply/{denom}|