Function query_upgraded_client_state 

pub fn query_upgraded_client_state<I, U>(
    ibc_ctx: &I,
    upgrade_ctx: &U,
    request: &QueryUpgradedClientStateRequest,
) -> Result<QueryUpgradedClientStateResponse, QueryError>
where
    I: ValidationContext,
    U: UpgradeValidationContext + ProvableContext,

Queries for the upgraded client state.