support interaction for multiple vtkContextView
See the following examples with 4 context views. Interaction works only in the last one.
This is needed for uvcdat context2d work. @aashish-chaudhary @alvaro.sanchez
See the following examples with 4 context views. Interaction works only in the last one.
This is needed for uvcdat context2d work. @aashish-chaudhary @alvaro.sanchez