esp_modem_get_operator_name ACT value (IDFGH-8184)

[AshUK]

esp-idf: 4.4.2
esp-modem: 0.1.19
module: BG95

When using the C API esp_modem_get_operator_name never updates the act value.

[david-cermak]

Thanks for the report! It's a bug, fix available in #139