[BUGFIX] Make excludeALreadyDisplayedNews work in multilanguage sites

Change-Id: I90027b172091522b4f1e3c6f176242dfc4011904
Resolves: #57044
Reviewed-on: https://review.typo3.org/28515
Reviewed-by: Georg Ringer
Tested-by: Georg Ringer
(cherry picked from commit d1282c506da0dc94a5d43c5ea0d2f6441744f7cf)
Reviewed-on: https://review.typo3.org/28516