nir/algebraic: Require operands to iand be 32-bit

nir/algebraic: Require operands to iand be 32-bit

With the mask value 0x80000000, the other operand must be 32-bit.  This
fixes failures in
dEQP-VK.subgroups.ballot_mask.ext_shader_subgroup_ballot.*.gl_subgroupgemaskarb_*
tests from Vulkan 1.2.2 CTS.

Checking one of the tests, it appears that the tests are doing 64-bit
iand with 0x0000000080000000, then comparing the result with zero.

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/2834
Fixes: 88eb8f190bd ("nir/algebraic: Simplify logic to detect sign of an integer")
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4770>