BUGFIX: Fix incorrect orphaning of dual nodes
BUGFIX: Fix incorrect orphaning of dual nodes

Fixed issue wherein a dual node was orphaned when
a donor cell has been previously found from another
block.

aashish24/VTK-old,johnkit/vtk-dev,berendkleinhaneveld/VTK,jmerkow/VTK,berendkleinhaneveld/VTK,mspark93/VTK,biddisco/VTK,jmerkow/VTK,aashish24/VTK-old,cjh1/VTK,gram526/VTK,msmolens/VTK,hendradarwin/VTK,jmerkow/VTK,biddisco/VTK,berendkleinhaneveld/VTK,keithroe/vtkoptix,gram526/VTK,biddisco/VTK,mspark93/VTK,cjh1/VTK,mspark93/VTK,johnkit/vtk-dev,keithroe/vtkoptix,biddisco/VTK,sumedhasingla/VTK,berendkleinhaneveld/VTK,johnkit/vtk-dev,jmerkow/VTK,sumedhasingla/VTK,candy7393/VTK,berendkleinhaneveld/VTK,sankhesh/VTK,biddisco/VTK,SimVascular/VTK,SimVascular/VTK,sankhesh/VTK,candy7393/VTK,gram526/VTK,mspark93/VTK,berendkleinhaneveld/VTK,collects/VTK,cjh1/VTK,mspark93/VTK,keithroe/vtkoptix,candy7393/VTK,demarle/VTK,candy7393/VTK,keithroe/vtkoptix,demarle/VTK,ashray/VTK-EVM,jmerkow/VTK,collects/VTK,candy7393/VTK,gram526/VTK,sankhesh/VTK,ashray/VTK-EVM,sumedhasingla/VTK,gram526/VTK,collects/VTK,gram526/VTK,ashray/VTK-EVM,cjh1/VTK,SimVascular/VTK,johnkit/vtk-dev,jmerkow/VTK,gram526/VTK,ashray/VTK-EVM,hendradarwin/VTK,ashray/VTK-EVM,sumedhasingla/VTK,gram526/VTK,candy7393/VTK,demarle/VTK,demarle/VTK,sankhesh/VTK,keithroe/vtkoptix,sankhesh/VTK,johnkit/vtk-dev,johnkit/vtk-dev,mspark93/VTK,sankhesh/VTK,hendradarwin/VTK,mspark93/VTK,mspark93/VTK,hendradarwin/VTK,ashray/VTK-EVM,msmolens/VTK,msmolens/VTK,ashray/VTK-EVM,keithroe/vtkoptix,aashish24/VTK-old,demarle/VTK,aashish24/VTK-old,aashish24/VTK-old,msmolens/VTK,biddisco/VTK,msmolens/VTK,sankhesh/VTK,cjh1/VTK,SimVascular/VTK,keithroe/vtkoptix,keithroe/vtkoptix,hendradarwin/VTK,SimVascular/VTK,demarle/VTK,aashish24/VTK-old,collects/VTK,biddisco/VTK,hendradarwin/VTK,jmerkow/VTK,demarle/VTK,candy7393/VTK,collects/VTK,SimVascular/VTK,sumedhasingla/VTK,hendradarwin/VTK,johnkit/vtk-dev,msmolens/VTK,berendkleinhaneveld/VTK,jmerkow/VTK,ashray/VTK-EVM,msmolens/VTK,sumedhasingla/VTK,sumedhasingla/VTK,SimVascular/VTK,collects/VTK,sumedhasingla/VTK,SimVascular/VTK,msmolens/VTK,candy7393/VTK,cjh1/VTK,demarle/VTK,sankhesh/VTK