[BUGFIX] Unify parameter names between uri and link typolink Viewhelper

There was a clash in the naming of additionalParams
vs. additionalParameters in both Viewhelpers which are supposed to
operate the same way.

Change-Id: I47b0ef4acaa6eaef9eecaaf9ffcc75768a2f197a
Resolves: #63083
Releases: master
Reviewed-on: http://review.typo3.org/34366
Reviewed-by: Alexander Opitz <opitz.alexander@googlemail.com>
Tested-by: Alexander Opitz <opitz.alexander@googlemail.com>
Reviewed-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Tested-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>