Fix widget report last row not being selectable

What does this MR do and why?

This MR fixes the last row of the merge request report widget not being selectable.

Screenshots or screen recordings

Before	After

How to set up and validate locally

This can be tested with the status checks widget. See instructions on how to setup locally.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #345501 (closed)