esp32/network_bluetooth.c: Fix, GATTS Descr w/ multiple chars
esp32/network_bluetooth.c: Fix, GATTS Descr w/ multiple chars

The IDF API for adding descriptors only allows for specifying a
_service_ handle. Because of this, you must do this:

1) Add service
2) Add charactteristic
3) Add char descriptor(s)
4) Add _next_ characteristic
5) goto 3

Peetz0r/micropython-esp32,Peetz0r/micropython-esp32,Peetz0r/micropython-esp32,Peetz0r/micropython-esp32,Peetz0r/micropython-esp32