rabbit_amqqueue: Add is_feature_used
callback to transient_nonexcl_queues
depr. feature (backport #12674)
#12738
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Why
Without this callback, the deprecated features subsystem can't report if the feature is used or not.
This reduces the usefulness of the HTTP API endpoint or the CLI command that help verify if a cluster is using deprecated features.
How
The callback counts transient non-exclusive queues and return
true
if there are one or more of them.References #12619.
This is an automatic backport of pull request #12674 done by Mergify.