update apply_mask
update apply_mask

not ready to use _make_psuedo_rgb function in the apply_mask function since we didn't add class structure to functions outside of the hyperspectral sub-package

danforthcenter/plantcv,stiphyMT/plantcv,danforthcenter/plantcv,stiphyMT/plantcv,stiphyMT/plantcv,danforthcenter/plantcv