pub async fn get_proposal_info(
quantus_client: &QuantusClient,
multisig_address: AccountId32,
proposal_id: u32,
) -> Result<Option<ProposalInfo>>pub async fn get_proposal_info(
quantus_client: &QuantusClient,
multisig_address: AccountId32,
proposal_id: u32,
) -> Result<Option<ProposalInfo>>