`ds.rio.reproject('epsg:4326',...)` broken for IW GRDH product

[agrouaze]

Before the following snippet would gives:

#xsar_obj.dataset['sigma0_rgba'] = rgb_sigma0
rgb_sigma0.name = 'sigma0_rgba'
xsar_obj.datatree['measurement'] = xsar_obj.datatree['measurement'].assign(xr.merge([xsar_obj.dataset,rgb_sigma0]))
xsar_obj.recompute_attrs()
xsar_obj.dataset['sigma0_rgba'].rio.reproject('epsg:4326',shape=(1000,1000),nodata=0).rio.to_raster('/tmp/sigma0_color.tiff')

But with latest release #118 the reprojection is broken: