vtkIossReader: support block selection by assembly.
vtkIossReader now supports block/set selection using selectors that are applied to assemblies defined in the file, if any.
Addresses paraview/paraview#20757 (closed).
vtkIossReader now supports block/set selection using selectors that are applied to assemblies defined in the file, if any.
Addresses paraview/paraview#20757 (closed).