Progress is not handling well for temporal filter

Progress is unreadable when using temporal filter in the Pipeline. Consider the following usecase:

Open FileSeries->Wavelet*.vti
RandomVectors, Apply
StreamTracer, 100 points, apply
PlotDataOverTime, Apply
the progress bar will go from 0 to 100 at least 4 times, on for each timesteps/stream tracer execution, without giving any sense of remaining execution time.
It actually is possible to see the PlotDataOverTime progress, but it is displayed very fast, after the stream tracer progress.

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