* add a few tests related to github issues
* change how the default is displayed in the help message prev was =XXXX, this was confusing in some cases particularly with flags or with multiple option names. Now is [default=XXXX] which makes it clearer what the value represents.
* Try to fix RTTI issue
* style: pre-commit.ci fixes
* Fix subcommand callbacks being called multiple times if in an option group
* style: pre-commit.ci fixes
* remove extra group call
* change [default=XXXXD] to just [XXXXX] for the default specification
* update changelog
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>