Merge pull request #14343 from ghalliday/issue25012

HPCC-25012 Fix regression that removed stats from WUGetGraph

Reviewed-By: Jake Smith <jake.smith@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>

common/workunit/workunit.cpp

@@ -299,6 +299,7 @@ protected:
             case SSTworkflow:
             case SSTgraph:
                 // SSTworkflow and SSTgraph may be safely ignored.  They are not required to produce the statistics.
+                expandProcessTreeFromStats(rootTarget, target, &cur);
                 continue;
             case SSTfunction:
                 //MORE:Should function scopes be included in the graph scope somehow, and if so how?