Ensures that all modules try to access their data in `_post_update_hook` in a safe manner and disable themselves if there's an error.
Also adds parameters to get_preset_rules and get_on_off_gradually_info to fix issues with recent firmware updates.
[#1033](https://github.com/python-kasa/python-kasa/issues/1033)
Will create separate fixture files if the model of the child devices
differs from the parent (i.e. hubs). Otherwise the child device info
will be under `child_devices`
