`hive_api.get_version` fixes

Fix setting and acquiring version by both applications.

In case of python version:

2022-06-08 12:36:18,124 - performance - ERROR - service is not responding properly to `hive_api.get_version` call: `{'msg': 'Expecting value', 'doc': 'jsonrpc=2.0&id=0&method=hive_api.get_version', 'pos': 0, 'end': None, 'lineno': 1, 'colno': 1, 'endlineno': None, 'endcolno': None}`

and postgrest:

2022-06-08 12:32:22,727 - performance - ERROR - service is not responding properly to `hive_api.get_version` call: `{'hint': 'If a new function was created in the database with this name and parameters, try reloading the schema cache.', 'message': 'Could not find the hafah_endpoints.home(id, jsonrpc, method) function in the schema cache'}`