[!!!][TASK] Doctrine: migrate ext:impexp

Change the return type of `ImportExportController::exec_listQueryPid()`
to `\Doctrine\DBAL\Driver\Statement`.

Resolves: #76469
Releases: master
Change-Id: Ic7bb8dc92e452efd05e9f0458537e846e6bc7676
Reviewed-on: https://review.typo3.org/48467


Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Reviewed-by: Susanne Moog <typo3@susannemoog.de>
Tested-by: Susanne Moog <typo3@susannemoog.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Eugene Kenah Djomo <kdeugene@yahoo.fr>
Tested-by: Eugene Kenah Djomo <kdeugene@yahoo.fr>
Reviewed-by: Joerg Boesche <typo3@joergboesche.de>
Tested-by: Joerg Boesche <typo3@joergboesche.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>