Selection boxes within the "Select Chat Messages to Report" menu differ in size ever so slightly depending on how they're selected

The Bug:

Selection boxes within the "Select Chat Messages to Report" menu differ in size ever so slightly depending on how they're selected.

Steps to Reproduce:

• Join a multiplayer server or a LAN world.
• Have yourself or others type some messages in the chat.
• Open the social interactions menu, select any player, and click the create report button.
• Now press the "Select Chat Messages to Report" button.
• Hit the TAB key so that any message within the list is selected.
• Hold your mouse cursor over the message below the one you currently have selected.
• Compare the sizes of the selection boxes.
• Take note as to whether or not selection boxes within the "Select Chat Messages to Report" menu differ in size ever so slightly depending on how they're selected.

Observed Behavior:

Selection boxes differ in size ever so slightly depending on whether they're selected using the TAB key or the mouse cursor.

Expected Behavior:

Selection boxes would not differ in size regardless of whether they're selected using the TAB key or the mouse cursor.