Add support for original ids for generic dataset
Add support for original ids for generic dataset

Original point and cell ids were not computed for generic
dataset because the arrays were not initialized.

Change-Id: I16245f0d766ae11345a784335629c69095821898

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