[!!!][TASK] Doctrine: Migrate various quoting methods

Various methods related to quoting have been migrated
to Doctrine DBAL.

Additionally, the method LiveSearch->getQueryString()
has been removed as it serves no additional purpose
anymore.

Resolves: #77587
Releases: master
Change-Id: Ia6c67b8a301d954dbd62966d4d3936a2f2dd3ad4
Reviewed-on: https://review.typo3.org/49529


Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Bamboo TYPO3com <info@typo3.com>
Tested-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>