Report Widgets Core: The last row of the full report is not selectable

Context

When the full report is shown, its last row's text is not selectable.

Required reading

Please ensure that:

• all the code written implements the rules of Accessibility https://design.gitlab.com/regions/merge-request-reports#accessibility
• you're familiar with the overall goal https://www.figma.com/file/qEddyqCrI7kPSBjGmwkZzQ/Component-library?node-id=38193%3A30482

Task

Make the last row of the full list selectable.