In languages option if you hold the down arrow key and then press done, the last language option will be applied.

Steps to reproduce:

1. Open "Options" > "Language.." and hold the down arrow key.
2. When you reach the botton and "Font settings..." button will be selected, click "Done button". The last language option applies.

Observed result:

The last language option is not deselected, when you change the focus from the languages list to another element using arrow key navigation.

Expected result:

The last language option should be deselected, when you change the focus from the languages list to another element using arrow key navigation.