Use get_copy_format_for_bpb() instead of
get_ccs_compatible_uint_format() when performing blorp_copy(). This
matches the code path taken on gfx20 and increases the testing of cases
which would impact gfx12.0 in isl_get_sampler_clear_field_offset().
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35329>
69d91ae975