Aborts with no sensible message when two options with same name are provided

[Slayer95]

• CLI11: Version 2.4.1
• Windows 7
• Compiled with MSVC 2019

  CLI::App app{AURA_APP_NAME};
  argv = app.ensure_utf8(argv);
  app.option_defaults()->ignore_case();
  app.add_option("--playing-timeout-warning-short-interval", m_GamePlayingTimeoutWarningShortInterval, "Sets the interval for the latest and most often game timeout warnings to be displayed.");
  app.add_option("--playing-timeout-warning-short-interval", m_GamePlayingTimeoutWarningLargeInterval, "Sets the interval for the earliest and rarest game timeout warnings to be displayed.");
  ...

Fields are std::optional<uint32_t>