[ticket/13332] Pass user row to passwords manager check method

PHPBB3-13332
[ticket/13332] Remove useless $result assignment

PHPBB3-13332
[ticket/13332] Fix auth provider tests

PHPBB3-13332
Merge pull request #3136 from marc1706/ticket/13332

[ticket/13332] Pass user row to passwords manager check method

* marc1706/ticket/13332:
  [ticket/13332] Fix auth provider tests
  [ticket/13332] Remove useless $result assignment
  [ticket/13332] Pass user row to passwords manager check method