Copy field data in vtkDataSet::CopyAttributes()
Copy field data in vtkDataSet::CopyAttributes()

This fixes a bug in which the field data for a data set was
not being copied in the vtkDataSet::CopyAttributes() method.

Thanks to Felipe Bordeu for the patch.

Change-Id: Id89647bbacba27ae338e07b64b0b2a5bc921e1d8

johnkit/vtk-dev,msmolens/VTK,sankhesh/VTK,ashray/VTK-EVM,gram526/VTK,gram526/VTK,biddisco/VTK,berendkleinhaneveld/VTK,johnkit/vtk-dev,msmolens/VTK,ashray/VTK-EVM,mspark93/VTK,sumedhasingla/VTK,hendradarwin/VTK,demarle/VTK,candy7393/VTK,mspark93/VTK,hendradarwin/VTK,keithroe/vtkoptix,SimVascular/VTK,hendradarwin/VTK,berendkleinhaneveld/VTK,sumedhasingla/VTK,demarle/VTK,sumedhasingla/VTK,gram526/VTK,keithroe/vtkoptix,mspark93/VTK,jmerkow/VTK,keithroe/vtkoptix,gram526/VTK,biddisco/VTK,candy7393/VTK,SimVascular/VTK,demarle/VTK,jmerkow/VTK,biddisco/VTK,aashish24/VTK-old,aashish24/VTK-old,sumedhasingla/VTK,keithroe/vtkoptix,msmolens/VTK,berendkleinhaneveld/VTK,SimVascular/VTK,sumedhasingla/VTK,gram526/VTK,sumedhasingla/VTK,johnkit/vtk-dev,hendradarwin/VTK,johnkit/vtk-dev,jmerkow/VTK,SimVascular/VTK,sankhesh/VTK,SimVascular/VTK,msmolens/VTK,keithroe/vtkoptix,collects/VTK,msmolens/VTK,demarle/VTK,berendkleinhaneveld/VTK,ashray/VTK-EVM,aashish24/VTK-old,sankhesh/VTK,msmolens/VTK,mspark93/VTK,jmerkow/VTK,candy7393/VTK,johnkit/vtk-dev,ashray/VTK-EVM,hendradarwin/VTK,sumedhasingla/VTK,keithroe/vtkoptix,hendradarwin/VTK,sankhesh/VTK,sankhesh/VTK,candy7393/VTK,demarle/VTK,aashish24/VTK-old,msmolens/VTK,gram526/VTK,candy7393/VTK,ashray/VTK-EVM,jmerkow/VTK,candy7393/VTK,aashish24/VTK-old,demarle/VTK,candy7393/VTK,collects/VTK,keithroe/vtkoptix,berendkleinhaneveld/VTK,jmerkow/VTK,jmerkow/VTK,johnkit/vtk-dev,gram526/VTK,johnkit/vtk-dev,SimVascular/VTK,collects/VTK,sankhesh/VTK,mspark93/VTK,jmerkow/VTK,biddisco/VTK,biddisco/VTK,mspark93/VTK,ashray/VTK-EVM,collects/VTK,SimVascular/VTK,candy7393/VTK,ashray/VTK-EVM,collects/VTK,keithroe/vtkoptix,SimVascular/VTK,sumedhasingla/VTK,mspark93/VTK,demarle/VTK,mspark93/VTK,berendkleinhaneveld/VTK,aashish24/VTK-old,demarle/VTK,collects/VTK,sankhesh/VTK,hendradarwin/VTK,biddisco/VTK,biddisco/VTK,gram526/VTK,sankhesh/VTK,ashray/VTK-EVM,berendkleinhaneveld/VTK,msmolens/VTK