Function assets_common::fungible_conversion::convert

pub fn convert<'a, AssetId, Balance, ConvertAssetId, ConvertBalance, Converter>(
    items: impl Iterator<Item = &'a (AssetId, Balance)>
) -> Result<Vec<Asset>, FungiblesAccessError>
where
    AssetId: Clone + 'a,
    Balance: Clone + 'a,
    ConvertAssetId: MaybeEquivalence<Location, AssetId>,
    ConvertBalance: MaybeEquivalence<u128, Balance>,
    Converter: AssetConverter<AssetId, Balance, ConvertAssetId, ConvertBalance>,

Helper function to convert collections with [(AssetId, Balance)] to [Asset]