[BUGFIX] Prevent click event on IRRE localize/synchronize

When clicking on localize all/synchronize inside a long
Form Engine element with IRRE elements, the page jumps to top
since the anchor is executed instead of returning false.

Resolves: #76941
Releases: master, 7.6
Change-Id: I350964e4bbd9447af54933c0859ef92e6898652c
Reviewed-on: https://review.typo3.org/48805


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Bamboo TYPO3com <info@typo3.com>
Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: Frank Naegler <frank.naegler@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>