#3708 fix - intersection points are being attached to the right conic

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29870 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3797 - fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29871 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e