Show field data for vtkTables.

For support ticket KW1633. Tested using vehicle_data.csv with an AppendFieldArrays filter that loaded this data:

# vtk DataFile Version 4.1
vtk output
ASCII
FIELD FieldData 1
Test%20Field 3 10 float
1 2 3 1 2 3 1 2 3 
1 2 3 1 2 3 1 2 3 
1 2 3 1 2 3 1 2 3 
1 2 3 

The "Test Field" array now appears in both the information tab and spreadsheet view.