Convert all SQL statements in backend authentication classes
to the new Doctrine DBAL based API.

Releases: master
Resolves: #75546
Change-Id: I2450a9cb8947673285763b475bcf25a2dc284ee8
Reviewed-on: https://review.typo3.org/47576


Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Susanne Moog <typo3@susannemoog.de>
Tested-by: Susanne Moog <typo3@susannemoog.de>