message: [crispy] CLI: minor usageText newline fix.
diff: @@ -868,6 +868,7 @@ string usageText(Command const& _command, HelpStyle const& _style, int _margin,
  stringstream sstr;
  for (Command const& subcmd : _command.children)
  sstr << usageText(subcmd, _style, _margin, prefixStr);
  + if (_command.children.empty())
  sstr << '\n';
  return sstr.str();
  }
  @@ -883,6 +884,7 @@ string helpText(Command const& _command, HelpStyle const& _style, int _margin)
  output << " " << stylize("Usage:", HelpElement::Header) << "\n\n";
  output << usageText(_command, _style, _margin, indent(1));
  + output << '\n';
  auto constexpr DescriptionHeader = string_view{"Detailed description:"};
  