[TASK] Use normalized jpg_quality in GraphicalFunctions

If the setting 'processor_effects' is set the already normalized
value of jpg_quality should be used.

Change-Id: Idcebd8dfeadbc0c85e756281ed3ba05f8f9b965c
Resolves: #79428
Releases: master
Reviewed-on: https://review.typo3.org/51400


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>