I15-1: Have the ability to "download" the historic queue

Once we have https://github.com/DiamondLightSource/atlas/issues/184 it will be useful to send the table to a user so that they can match up the run number and the experiment definition. We should put in a button to download it as CSV (or provide the beamline scientist with an API for it)

# Note
It might be that some of this functionality is already in the table we're using, try that first

Start by reviewing issue #184 and the existing historic queue table to check whether its current table component already supports export. Confirm whether a CSV download or an API is the appropriate path, and consider the work done when a user can obtain the queue data with run numbers and experiment definitions.

Written by the indexing model from the issue text.