vtkWebApplication: match ParaView, change to LastStillRenderToMTime
The parameter LastStillRenderToStringMTime is renamed LastStillRenderToMTime to match ParaView changes.
CC: @sebastien.jourdain @danlipsa Easy fix for RemoteRenderer example.
The parameter LastStillRenderToStringMTime is renamed LastStillRenderToMTime to match ParaView changes.
CC: @sebastien.jourdain @danlipsa Easy fix for RemoteRenderer example.