Merge branch 'bugfix/mqtt_read_neg_and_ping' into 'master'

mqtt: Fix incorrect reads on error; Update ping processing

Closes IDFGH-6859 and IDFGH-6930

See merge request espressif/esp-idf!18095
This commit is contained in:
David Čermák
2022-05-17 03:02:59 +08:00