docs(CellPicker example): Put tolerance of CellPicker in example on 0. Fixed small error in comment.
docs(CellPicker example): Put tolerance of CellPicker in example on 0. Fixed small error in comment.

As discussed in https://discourse.vtk.org/t/cellpicker-example-glitch/1852/4

Kitware/vtk-js,Kitware/vtk-js,Kitware/vtk-js,Kitware/vtk-js