The Bug:
The right side of the selection box is cut off by the scroll bar in the realms "Players" menu.
Steps to Reproduce:
Navigate to the minecraft realms menu.
Click on your realm and hit the "configure realm" button.
Click on the "players" button.
Invite numerous amounts of players to your realm until the scrollbar appears within the list.
Click on any name within the list.
Look at the right side of the selection box.
Take note as to whether or not the right side of the selection box is cut off by the scroll bar in the realms "Players" menu.
Observed Behavior:
The right side of the selection box is cut off by the scroll bar.
Expected Behavior:
The right side of the selection box would not be cut off by the scroll bar.
This issue has been fixed in 23w43a.