fix bug : building tumorMap link for geneProbes column, should use probe, not fieldSpec, as xenaQuery attribute
fix bug : building tumorMap link for geneProbes column, should use probe, not fieldSpec, as xenaQuery attribute

ucscXena/ucsc-xena-client,ucscXena/ucsc-xena-client,ucscXena/ucsc-xena-client,acthp/ucsc-xena-client,ucscXena/ucsc-xena-client,acthp/ucsc-xena-client,ucscXena/ucsc-xena-client,acthp/ucsc-xena-client