#4324 scaling panel fixes

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33905 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fix for #4326

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33908 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e