use adapted data for now (for Alex)

Plugin/HarmonicToTime.cpp

@@ -55,7 +55,7 @@ PView *GMSH_HarmonicToTimePlugin::execute(PView * v)
 
   PView *v1 = getView(iView, v);
   if(!v1) return v;
-  PViewData *data1 = v1->getData();
+  PViewData *data1 = v1->getData(true);
 
   if(data1->hasMultipleMeshes()){
     Msg::Error("HarmonicToTime plugin cannot be applied to multi-mesh views");