Create a UI to reset the running state of an operation.

This has been added both as a UI approach on the settings page /admin/config/development/batch_operations/settings
and as a drush command `drush codit-batch-operations:running --reset`

I chose to add it to the setting page rather than the run UI because this functionality is still needed if the Run UI is not enabled.

Automatically closed - issue fixed for 2 weeks with no activity.