[BUGFIX] Do not scroll on top using actions on multipleSideBySide

This patch prevents scrolling to top when using the actions buttons
in multipleSideBySide elements.

Change-Id: I0841b3f75afca8596725fc6c9e4621eaeeafc641
Resolves: #72973
Releases: master, 7.6
Reviewed-on: https://review.typo3.org/46955


Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: Frank Naegler <frank.naegler@typo3.org>
Reviewed-by: Sebastian Fischer <typo3@evoweb.de>
Tested-by: Sebastian Fischer <typo3@evoweb.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>