4.9.252.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32670 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Toolbar: Menuitem highlighting at hover fixed with mouse events.
An attempt for fix with touch events too, but it doesn't work yet. (#4134)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32671 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e