This is the next phase of the fuzzer. It runs a round trip and makes
sure that the config files generated by the app will load into the same
results, to test full round trip on the config files.
Issues fixed
- fix a bug in the string escape code caught by initial round trip tests
- resolve inconsistencies in handling of {} for empty vector indication
between config and cli parsing
---------
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>