[BUGFIX] jquery loaded twice if loadJQuery="true" is set via fluid

Resolves: #67935
Releases: master
Change-Id: Id6bc1b411d0e692c74997c2258914f75bb5da3a7
Reviewed-on: https://review.typo3.org/40936


Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Markus Sommer <markussom@posteo.de>
Tested-by: Markus Sommer <markussom@posteo.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>