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turnip: Implement VK_EXT_depth_clamp_zero_one

What does this MR do and why?

For A6XX it's a no-op, but A7XX+ doesn't clamp to [0,1] with disabled depth clamp, to support VK_EXT_depth_clamp_zero_one we have to always enable clamp and manually set depth range to [0,1] when rs->depth_clamp_enable is false.


 dEQP-GLES3.functional.fbo.depth.depth_test_clamp.* (zink)

Supersedes !29360 (closed)

What I don't like is that it's again more state tangling...

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