Migrate DecalNormalPatch fix to RenderGraph version to avoid Metal validation error #2203
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Purpose of this PR
Intel GPUs on Macs support a lower tier of texture read/write format capabilities than other GPUs (we don't have a SystemInfo flag for this). In particular, this trips a validation error when running HDRP tests on the Mac minis in the bokken farm.
Testing status
Manually ran tests through Xcode with Metal API validation enabled and disabled to confirm behavior
Comments to reviewers
Notes for the reviewers you have assigned.