Errorhandling stays behind the estimation when credentials are invalid (Error 401).

[Grizzelbee]

`

dysonairpurifier.0	2020-10-29 11:40:38.115	error	at async dysonAirPurifier.main (C:\ioBroker\development\node_modules\iobroker.dysonairpurifier\main.js:522:13)
dysonairpurifier.0	2020-10-29 11:40:38.115	error	at processTicksAndRejections (internal/process/task_queues.js:97:5)
dysonairpurifier.0	2020-10-29 11:40:38.115	error	at C:\ioBroker\development\node_modules\iobroker.dysonairpurifier\main.js:547:61
dysonairpurifier.0	2020-10-29 11:40:38.115	error	at JSON.stringify ()
dysonairpurifier.0	2020-10-29 11:40:38.115	error	--- property 'socket' closes the circle
dysonairpurifier.0	2020-10-29 11:40:38.115	error	| property '_httpMessage' -> object with constructor 'ClientRequest'
dysonairpurifier.0	2020-10-29 11:40:38.115	error	--> starting at object with constructor 'TLSSocket'
dysonairpurifier.0	2020-10-29 11:40:38.115	error	--- property 'socket' closes the circle, stack: TypeError: Converting circular structure to JSON
dysonairpurifier.0	2020-10-29 11:40:38.115	error	| property '_httpMessage' -> object with constructor 'ClientRequest'
dysonairpurifier.0	2020-10-29 11:40:38.115	error	--> starting at object with constructor 'TLSSocket'
dysonairpurifier.0	2020-10-29 11:40:38.115	error	(1300) [main()] error: Converting circular structure to JSON
dysonairpurifier.0	2020-10-29 11:40:38.111	error	(1300) [error.response.headers]: [object Object]
dysonairpurifier.0	2020-10-29 11:40:38.111	error	(1300) [error.response.status]: 401
dysonairpurifier.0	2020-10-29 11:40:38.111	error	(1300) [error.response.data]: [object Object]
dysonairpurifier.0	2020-10-29 11:40:38.110	error	at processTicksAndRejections (internal/process/task_queues.js:84:21)
dysonairpurifier.0	2020-10-29 11:40:38.110	error	at endReadableNT (_stream_readable.js:1220:12)
dysonairpurifier.0	2020-10-29 11:40:38.110	error	at IncomingMessage.emit (events.js:327:22)
dysonairpurifier.0	2020-10-29 11:40:38.110	error	at IncomingMessage.handleStreamEnd (C:\ioBroker\development\node_modules\iobroker.dysonairpurifier\node_modules\axios\lib\adapters\http.js:244:11)
dysonairpurifier.0	2020-10-29 11:40:38.110	error	at settle (C:\ioBroker\development\node_modules\iobroker.dysonairpurifier\node_modules\axios\lib\core\settle.js:17:12)
dysonairpurifier.0	2020-10-29 11:40:38.110	error	at createError (C:\ioBroker\development\node_modules\iobroker.dysonairpurifier\node_modules\axios\lib\core\createError.js:16:15)
dysonairpurifier.0	2020-10-29 11:40:38.110	error	(1300) Error during dyson API login:Error: Request failed with status code 401, Callstack: Error: Request failed with status code 401
dysonairpurifier.0	2020-10-29 11:40:37.810	debug	(1300) Signing in into dyson API.
dysonairpurifier.0	2020-10-29 11:40:37.809	debug	(1300) System secrect resolved. Using for decryption.
dysonairpurifier.0	2020-10-29 11:40:37.805	debug	(1300) pollInterval: 30
dysonairpurifier.0	2020-10-29 11:40:37.804	debug	(1300) Locale: de
dysonairpurifier.0	2020-10-29 11:40:37.804	debug	(1300) Entering Function [configIsValid]
dysonairpurifier.0	2020-10-29 11:40:37.793	info	(1300) starting. Version 0.5.1 in C:/ioBroker/development/node_modules/iobroker.dysonairpurifier, node: v12.18.3, js-controller: 3.1.6
`