Disconnect MQTT client when its credential expires

Fixes https://github.com/rabbitmq/rabbitmq-server/discussions/11854
Fixes #11862

This commit uses the same approach as implemented for AMQP 1.0 and
Streams: When a token expires, RabbitMQ will close the connection.

(cherry picked from commit 7fb7833)
(cherry picked from commit 7488332)

# Conflicts:
#	deps/rabbit/src/rabbit_amqp_reader.erl

Author: ansd