When unpacking the texture sample result ensure it is moved to the proper expected dest register. This fixes incorrect texturing in Chromium using PixiJS framework. CC: mesa-stable Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com> Reviewed-by: Eric Engestrom <eric@igalia.com> Reviewed-by: Iago Toral Quiroga <itoral@igalia.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18122>