[BUGFIX] Show correct sys_file_reference palettes for textmedia

Resolves: #70299
Releases: master
Change-Id: I7d4a6e23afa972b14aba37701470b7bd8ed7110f
Reviewed-on: http://review.typo3.org/43733


Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>