intel/compiler: reemit boolean resolve for inverted if on gen5

intel/compiler: reemit boolean resolve for inverted if on gen5

Gen5 adds some boolean conversion instructions after nir emits,
but that nir srcs don't line up with them, so reemit the boolean
conversion if we reemit the inot.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: 31b5f5a51f3a ("nir/opt_if: Simplify if's with general conditions")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26782>
(cherry picked from commit 56a72e014fcda3c52cf119115cb71fce2fad86d8)