RasterStreamsToVector doesn't write .prj for output

[glebpinigin]

I have tried to extract vector streams from raster using WBT QGIS plugin, WBT from python API call, and from wb_runner. Every time output shapefile was not accompanied by .prj file.

In the source code of the algorithm, the line that sets the projection is commented. That might be the issue

whitebox-tools/whitebox-tools-app/src/tools/stream_network_analysis/raster_streams_to_vector.rs

Line 255 in 5e9aabd

// output.projection = input.get_wkt();