Responsive tables breakpoint
Responsive tables breakpoint

PT:
https://www.pivotaltracker.com/story/show/135532289

**What is the issue**
The responsive tables breakpoint has a few pixels margin of error. The list appears when it should not.

**What this PR does**
Setting the breakpoint to 1018px that will leave a larger margin of error to 1024px

ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments