Calling `*txoutset` calls in the console has been broken since #19056. The addition of the `RpcInterruptionPoint()` calls means that any user running the GUI without passing `-server`, will just see ["Shutting down"](https://github.com/bitcoin/bitcoin/blob/b33136b6ba9887f7db651c4c5264ca7f2f601df7/src/rpc/server.cpp#L325) printed to the console:

![console](https://user-images.githubusercontent.com/863730/84460760-55599a80-ac9d-11ea-8720-a718edde75dd.png)

cc @MarcoFalke 
{
            RPCHelpMan{"gettxoutsetinfo",
                "\nReturns statistics about the unspent transaction output set.\n"
                "Note this call may take some time.\n",
                {
                    {"hash_type", RPCArg::Type::STR,  "hash_serialized_2", "Which UTXO set hash should be calculated. Options: 'hash_serialized_2' (the legacy algorithm), 'none'."},
                },
                RPCResult{
                    RPCResult::Type::OBJ, "", "",
                    {
                        {RPCResult::Type::NUM, "height", "The current block height (index)"},
                        {RPCResult::Type::STR_HEX, "bestblock", "The hash of the block at the tip of the chain"},
                        {RPCResult::Type::NUM, "transactions", "The number of transactions with unspent outputs"},
                        {RPCResult::Type::NUM, "txouts", "The number of unspent transaction outputs"},
                        {RPCResult::Type::NUM, "bogosize", "A meaningless metric for UTXO set size"},
                        {RPCResult::Type::STR_HEX, "hash_serialized_2", "The serialized hash (only present if 'hash_serialized_2' hash_type is chosen)"},
                        {RPCResult::Type::NUM, "disk_size", "The estimated size of the chainstate on disk"},
                        {RPCResult::Type::STR_AMOUNT, "total_amount", "The total amount"},
                    }},
                RPCExamples{
                    HelpExampleCli("gettxoutsetinfo", "")
            + HelpExampleRpc("gettxoutsetinfo", "")
                },
            }.Check(request);
    UniValue ret(UniValue::VOBJ);
    CCoinsStats stats;
    ::ChainstateActive().ForceFlushStateToDisk();