Merge branch 'fix/0025577/5-4/SeparatorPreventsHidingMainMenuTopItem' of git.studer-raimann.ch:ILIAS/Core into release_5-4

Richard Klees authored Sep 13, 2019 and Michael Jansen (abw. 13.07. - 04.08.) committed Sep 16, 2019

This seems to be no security feature, as the commit message tells, but instead
was previously located (and marked as "dirty hack") in ilCertificate::getFormFieldsFromFO.
In this location it removes stuff (empty lines, especially) that we will need later.

possible fix for 26013: Error when opening Achievement with my Admin-…

Thanks!

fixed bug #26085: Parameter must be an array or an object that implements Countable in class.ilTable2GUI.php

Survey: Fixed Mantis issue 26084

fixed 25811: Import/Export Tiles and Custom Icons