List entries selected using the tab key can't be opened using the keyboard (enter/space)

To reproduce, open the singleplayer world list, select a world using the tab key (as seen in the attached screenshot), and try opening it using the enter key or the space key. Other elements, when selected, can be used with these keys.

Affects:

• Singleplayer world list

• Language menu

• Multiplayer menu

• Resource pack menu