The PropPicker did not work for the automatically generated noise image
Image casting to unsigned char fixes this. The original issue was raised here: https://mail.google.com/mail/u/0/#inbox/FMfcgxwDqTXmwkVWMklpfppqxtcdGXGf
Image casting to unsigned char fixes this. The original issue was raised here: https://mail.google.com/mail/u/0/#inbox/FMfcgxwDqTXmwkVWMklpfppqxtcdGXGf