[TASK] Database install tool driver selection

Re-implement postgres connect.

Change-Id: Iba0c1c1316c0b473173b08889f213831edbfab65
Resolves: #80173
Releases: master
Reviewed-on: https://review.typo3.org/51977


Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Tested-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Mona Muzaffar <mona.muzaffar@gmx.de>
Tested-by: Mona Muzaffar <mona.muzaffar@gmx.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>