beta: bluetooth-based devices not being discovered
### What issue do you have? Please be as thorough and explicit as possible.

My Govee bluetooth devices are enumerating via the API but they are not getting polled via BTLE for updates. Running the hombebridge-govee-plugin does enumerate the devices so I know they are reachable via BT.


### Details of your setup.
Homebridge 1.5, node 16.18.0 on Raspbian/bullseye on Pi4b, homebridge-govee 6.0.5-beta15.

* Which Govee devices do you have that are causing issues? Please include product models if applicable.

H5074 bluetooth thermo/hygro devices.

### Please paste any relevant logs below.
homebridge-govee reports:
```
13/10/2022, 00:06:22] [Govee] [LAN] server started listening on 0.0.0.0:4002.
[13/10/2022, 00:06:22] Homebridge v1.5.0 (HAP v0.10.2) (Homebridge C251) is running on port 51988.
[13/10/2022, 00:06:24] [Govee] LAN client enabled and initial scan found 0 device(s).
[13/10/2022, 00:06:24] [Govee] Login successful.
[13/10/2022, 00:06:25] [Govee] HTTP/AWS clients enabled and found 7 device(s)..
[13/10/2022, 00:06:25] [Govee] API client enabled and found 1 devices.
[13/10/2022, 00:06:26] [Govee] BLE client enabled as packages successfully found.
[13/10/2022, 00:06:26] [Govee] [Refrigerator] has been added to Homebridge.
[13/10/2022, 00:06:26] [Govee] [Refrigerator] initialising with options {"logging":"debug","lowBattThreshold":20}.
[13/10/2022, 00:06:26] [Govee] [Refrigerator] initialised with id [F3:F8:A4:C1:38:33:9F:86] [H5074].
[13/10/2022, 00:06:26] [Govee] [Refrigerator] [HTTP] receiving update [{"source":"HTTP","battery":94,"temperature":240,"humidity":3490,"online":false}].
[13/10/2022, 00:06:26] [Govee] [Refrigerator] has been reported [offline].
[13/10/2022, 00:06:26] [Govee] [Refrigerator] current battery [94%].
[13/10/2022, 00:06:26] [Govee] [Refrigerator] current temperature [2.4°C].
[13/10/2022, 00:06:26] [Govee] [Refrigerator] current humidity [34.9%].
[13/10/2022, 00:06:56] [Govee] [Refrigerator] [HTTP] receiving update [{"source":"HTTP","battery":94,"temperature":240,"humidity":3490,"online":false}].
```

It seems the BTLE devices are pinned to getting updates via Govee API when they should be polling via BT.