Resolve "ZonalStatistics app inbv parameter is not taken into account in stats filter"

Summary

Closes #1976 (closed)

It would be better to also modify test, but I did not find time to do that.

Patch should be ported to 7.0.0 branch.

Copyright

The copyright owner is CNES and has signed the ORFEO ToolBox Contributor License Agreement.

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