Wifi scan shows wrong BSSIDs

[a-tom-s]

Bug description
I noticed that the BSSIDs in the Wifi scan are different from the BSSIDs of my devices, but I realized the correct BSSIDs are part of the shown.
It's caused because in wifi.ino / _wifiScan line.119 the BSSID string array starts with BSSID[1] instead of BSSID[0].

Steps to reproduce
Start SCAN on the Wifi page and compare the detected BSSID with the BSSID of your AP.
On the Status page you can see the correct BSSID of your device, here it is shown correctly.

[mcspr]

huh. scan results are from justwifi, where it is correctly parsed:
https://github.com/xoseperez/justwifi/blob/8bb2c16f5b91f56de191cb8ff96a816fb672cfd2/src/JustWifi.cpp#L188-L200
here, it is not though:

espurna/code/espurna/wifi.ino

Line 119 in 2aa5c59

BSSID_scan[1], BSSID_scan[2], BSSID_scan[3], BSSID_scan[4], BSSID_scan[5], BSSID_scan[6],

maybe extend justwifi a bit so it gives more scanning info via more arguments? not that repetition is bad, but imo that could simplify the process a lot.
and it'll show hidden networks too?