[BUG] Recursive setting not respected if only present in config file

[AutonomicPerfectionist]

Describe the bug When the config file has input.recursive set to true, and no -r option is passed on the command line, the recursive option is ignored entirely. This is because, by default, argparse will set the option to False when not set on the command line, which overrides the config setting.

Expected behavior The config file should be respected

Additional context Discovered while updating documentation for CMakeTest