esp_http_client.c: Clear raw_len for response buffer after dispatching HTTP_EVENT_ON_FINISH event
esp_http_client.c: Clear raw_len for response buffer after dispatching HTTP_EVENT_ON_FINISH event

Closes: https://github.com/espressif/esp-idf/issues/6146

espressif/esp-idf,espressif/esp-idf,espressif/esp-idf,espressif/esp-idf