[ticket/12822] Preselect avatar type if there is only 1 driver

PHPBB3-12822
[ticket/12822] Coding style fix

PHPBB3-12822
Merge pull request #2734 from carlo94it/ticket/12822

[ticket/12822] Preselect avatar type if there is only 1 driver

* carlo94it/ticket/12822:
  [ticket/12822] Coding style fix
  [ticket/12822] Preselect avatar type if there is only 1 driver