Fix more issues
Fix CS violations
Change eZ\Publish\Core\Persistence\Legacy\Handler to accept a DatabaseHandler and change services.ini to provide Doctrine as implementation. Adjust tests.
Fix some bugs in test setup to run against MySQL and PostgreSQL
EZP-22151: updated docblock
EZP-22151: rename test db handler and remove ezdatabase config
Merge pull request #704 from ezsystems/EZP-22151-doctrine-dbal

EZP-22151: Refactor Legacy SE to use Doctrine DBAL