Don't reuse geometry indices if the geo is traced

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36785 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
YANPE

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36786 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e