Merge branch 'bugfix/mqtt_enqueue4_3' into 'release/v4.3'

[mqtt] Fix esp_mqtt_client_enqueue for len=0 (v4.3)

See merge request espressif/esp-idf!20303
This commit is contained in:
Jiang Jiang Jian
2022-11-08 11:08:00 +08:00