examples/ble_detailed_scan.py no longer working

[dhalbert]

ble_detailed_scan.py is no longer working; prints nothing. examples/ble_simpletest.py still scans. Found by anecdata (discord). Confirmed on CircuitPython 5.3.0 and 5.4.0-beta.1.

[dhalbert]

Changing

for advertisement in ble.start_scan(ProvideServicesAdvertisement, Advertisement):

to

for advertisement in ble.start_scan(Advertisement):

starts producing results.