LIMS-1343: Conexs paper reviewer suggested changes

[jacobfilik]

NOTE: (PR title should be of the form ticket:short description, e.g. TICKET-123: Add more templates)

https://jira.diamond.ac.uk/browse/LIMS-1343

Summary:

Minor modifications to the Conexs job submission parameters

Changes:

• List changes made in this pull request

To test:

• List actions that should be taken to test that functionality works as expected