message: wallet: don't mute exceptions in importdescriptors
diff: @@ -1466,10 +1466,6 @@ static UniValue ProcessDescriptorImport(CWallet& wallet, const UniValue& data, c
  } catch (const UniValue& e) {
  result.pushKV("success", UniValue(false));
  result.pushKV("error", e);
  - } catch (...) {
  - result.pushKV("success", UniValue(false));
  -
  - result.pushKV("error", JSONRPCError(RPC_MISC_ERROR, "Missing required fields"));
  }
  if (warnings.size()) result.pushKV("warnings", warnings);
  return result;
  