* convert zfs over to use json_app_get
* make the format checker happy
* change array brackets used and update for upcomming changes to json_app_get
* change it over to do exception checking
* styling cleanup
* cleanup error handling
* update to the latest json_app_get
* correct a bit of logic for legacy and cleanup some formatting
* add the snmprec files for the ZFS app
* add the tests for ZFS with legacy extend
* add another check
* convert these from base64 to hex
* remove improper commas
* Match upstream spacing
* fix typo
* fix bad data and zfs metrics, allow float values
* bad capture
* improve comment
* Update db_schema.yaml
