=== Cassandra view of the RabbitMQ mailQueue: browse start update

....
curl -XPOST 'http://ip:port/mailQueues/{mailQueueName}?action=updateBrowseStart
....

Will return a task that updates the browse start of the aforementioned mailQueue, regardless of the configuration.

link:#_endpoints_returning_a_task[More details about endpoints returning
a task].

This is an advanced, potentially expensive operation which requires a good understanding of the RabbitMQMailQueue design
(https://github.com/apache/james-project/blob/master/src/adr/0031-distributed-mail-queue.md). Especially, care needs to
be taken to call this at most once per slice (not doing so might be expensive).