[FOLLOWUP][TASK] Doctrine: Migrate queries in Extbase Typo3DbBackend

Changed to use the QueryBuilder in order to modify restrictions
instead of using Connection::select().

Resolves: #77352
Releases: master
Change-Id: I1bfd93037cd679e4ac1cec29527dd6f00f0adc25
Reviewed-on: https://review.typo3.org/49355


Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Bamboo TYPO3com <info@typo3.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>